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Cardio

Swimming

Swimming is a form of cardio practiced in water and has been studied both as physical activity and in relation to health conditions. Research covers broad areas of physical capacity, movement, and well-being rather than one single intended outcome.

As a cardio practice, Swimming is linked with changes across more than one dimension of physical capability.

Part of Cardio

Overview

Swimming is a form of cardio practiced in water and has been studied both as physical activity and in relation to health conditions. Research covers broad areas of physical capacity, movement, and well-being rather than one single intended outcome. Across this literature, findings are not equally settled: pooled reviews and controlled trials inform some areas, while other questions rely on less extensive evidence. The overall picture is broad, but confidence depends on the particular outcome or population; results should not be taken as proof that swimming treats a condition.

Well researched: 129 studies. Last checked Oct 12, 2026.

41
human evidence
25
eligible
27
unclassified
5
animal / null result

Best-evidenced uses

2 of 3 flagged interactions are serious or life-threatening·5 variations documented

EvidenceStrong
129
Studies

Evidence checked Oct 12, 2026 · newest study 2026

Study designs:Meta-analysis29Systematic review36RCT29Quasi Experimental14Cohort study2Case report1Cross Sectional4Pilot study1Narrative review3Animal study10
Study grades:
A
16
B
11
C
72
D
30

242 community reports across 5 platforms

View sources

Coverage

Effects
56
Helps with
42
Side effects
17
Interactions
20
2 high-risk
How to read the evidence

Evidence tier — overall strength of the evidence for the whole compound

  • StrongWell established — backed by strong, consistent human research.
  • ModerateSome genuine support, but mostly from small or lower-quality studies. Promising, not proven.
  • PreliminaryEarly-stage evidence — a promising hypothesis, not an established effect yet.
  • LimitedVery limited evidence — treat this as a hypothesis, not proof.
  • InsufficientNot enough good evidence to draw conclusions yet.

Certainty — how sure we can be that the effect is real

  • Very highVery sure — strong, consistent evidence
  • HighFairly sure — consistent evidence from good studies
  • MediumModerately sure — new studies could change this
  • LowNot sure — little or mixed evidence
  • Very lowVery unsure — almost no usable evidence

Source — where the data comes from

  • Meta-analysisPooled analysis of many trials — the strongest evidence
  • RCTRandomized controlled trial — a strong human study design
  • ClinicalA human clinical study
  • Reference knowledgeFrom general health-science or pharmacology references, not a study of this exact claim
  • Animal researchStudied in animals, not humans
  • Community reportsAggregated user reports — anecdotal signal, not evidence
  • TheoreticalMechanism-based reasoning, not yet tested

Study grade — quality of each underlying study (A best, D weakest)

  • AHigh-quality — strong, consistent human trials
  • BGood — solid evidence with some limitations
  • CModerate — limited, small, or mixed-quality studies
  • DWeak — preliminary, indirect, or animal-only

Confidence — how strongly the sources back a finding

A 0–100 score from study quality and agreement

Most supplement evidence is graded C–D. Read it as preliminary signal, not proof.

Interacts with some medications and supplements — worth checking before combining.See interactions

These are research findings, not promises. A practice does not replace medical treatment.

What does research say?

What studies found for each claimed effect, best evidence first.

56 claims:26 some evidence5 mixed12 not enough evidence9 not tested in people3 personal stories only1 no benefit found

  • Balance ImprovementCardio in general: High · 3 trialsSome evidence it helpsSize of effect: Not known

    Some human studies found a benefit. More research could change this.

    All 16 studies with a clear result found a benefit. Strongest study: a pooled analysis of several trials. Trials that found it ran as little as 5 weeks, typically 11.

    Open the Balance Improvement pageCompare with Cardio in general →
  • Mood ImprovementCardio in general: Medium · 10 trialsSome evidence it helpsSize of effect: Medium

    Some human studies found a benefit. More research could change this.

    10 of 11 studies found a benefit; 1 found none. Strongest study: a pooled analysis of several trials. Trials that found it ran as little as 2 weeks, typically 15.

    A pooled analysis whose designs were not recorded ranked aquatic exercise among the more effective interventions for mental health. Another reported a positive effect on postpartum depression.

    Open the Mood Improvement pageCompare with Cardio in general →
  • Physical Strength IncreaseCardio in general: Medium · 4 trialsSome evidence it helpsSize of effect: Medium

    Some human studies found a benefit. More research could change this.

    All 17 studies with a clear result found a benefit. Strongest study: a pooled analysis of several trials. Trials that found it ran as little as 6 weeks, typically 14.

    Pooled analyses whose designs were not recorded found improved muscle strength with aquatic exercise and improved lower limb strength. The strength finding was reported in 2025.

    Open the Physical Strength Increase pageCompare with Cardio in general →
  • Body Composition ImprovementCardio in general: Medium · 11 trialsSome evidence it helpsSize of effect: Not known

    Some human studies found a benefit. More research could change this.

    All 8 studies with a clear result found a benefit. Strongest study: a pooled analysis of several trials. Trials that found it ran as little as 8 weeks, typically 25.

    A pooled analysis of randomized and non-randomized human studies found swimming reduced body mass by a mean of -2.90 kg. Another pooled analysis reported lower body mass index with aquatic or combined programs.

    Open the Body Composition Improvement pageCompare with Cardio in general →
  • Blood Pressure SupportCardio in general: Medium · 11 trialsSome evidence it helpsSize of effect: Not known

    Some human studies found a benefit. More research could change this.

    All 4 studies with a clear result found a benefit. Strongest study: a pooled analysis of several trials. A trial found it after a single session. Trials that found it ran as little as 26 weeks, typically 27.

    A pooled analysis whose designs were not recorded found nighttime blood pressure reductions after aquatic exercise compared with land exercise (−3.7 mmHg (−4.7 to −2.8 mmHg)) and rest (−1.7 mmHg (−1.9 to −0.8 mmHg)). A review of randomized trials involving 402 people also reported blood pressure reductions, though their timing and magnitude varied.

    Open the Blood Pressure Support pageCompare with Cardio in general →
  • Cognitive Function ImprovementCardio in general: Medium · 26 trialsSome evidence it helpsSize of effect: Not known

    Some human studies found a benefit. More research could change this.

    6 of 7 studies found a benefit; 1 found none. Strongest study: a pooled analysis of several trials.

    Open the Cognitive Function Improvement pageCompare with Cardio in general →
  • Joint Health ImprovementCardio in general: 2 trialsSome evidence it helpsSize of effect: Not known

    Some human studies found a benefit. More research could change this.

    All 3 studies with a clear result found a benefit. Strongest study: a pooled analysis of several trials. Trials that found it ran as little as 12 weeks, typically 21.

    A pooled analysis found a lower joint dysfunction score with aquatic exercise than with a control group. A separate review also reported less stiffness compared with non-exercise controls.

    Open the Joint Health Improvement pageCompare with Cardio in general →
  • Physical Endurance IncreaseCardio in general: Medium · 31 trialsSome evidence it helpsSize of effect: Not known

    Some human studies found a benefit. More research could change this.

    10 of 12 studies found a benefit; 2 found none. Strongest study: a pooled analysis of several trials. Trials that found it ran as little as 4 weeks, typically 21.

    A pooled analysis of randomized and non-randomized human studies found swimming increased maximal oxygen uptake compared with control. Other reviews reported that some training studies found improvements in VO_2max while others did not, so results vary.

    Open the Physical Endurance Increase pageCompare with Cardio in general →

Only reported by users, not studied: Physical Energy Increase.

What to expect

Swimming has not been shown to produce an immediate benefit after one session. In the first weeks, studies measured some changes after programmes lasting 2–8 weeks; other changes were measured after longer programmes, with typical trial lengths extending to 25 weeks. These are end-of-programme findings, not promises of when an individual will notice a change. At longer follow-up, the physical-function benefit had fully faded by 52-week follow-up. Reported harms occurred after a single session and during programmes lasting 12 or 20 weeks.

Also studied in people with 42 health conditions

How strong the evidence is in each group. This is research, not a treatment recommendation.

  • OsteoarthritisCardio in general: Very high · 3 trialsGood evidence it helpsSize of effect: Not known

    Good human studies found a benefit, and they mostly agree. This is about what studies measured, not a cure.

    All 6 studies with a clear result found a benefit.

    A pooled analysis whose study designs were not recorded found pain reduction and improved physical function in an osteoarthritis subgroup. Another pooled analysis whose study designs were not recorded found aquatic exercise comparable to land-based exercise and better than no intervention for some outcomes.

    Open the Osteoarthritis pageCompare with Cardio in general →
  • Back PainSome evidence it helpsSize of effect: Not known

    Some human studies found a benefit. More research could change this.

    6 of 7 studies found a benefit; 1 found none.

    A pooled analysis whose study designs were not recorded found pain reduction and improved physical function for back pain, but did not find improved quality of life; only 2 studies measured that outcome. A separate review reported decreased medical leave due to lower back pain.

    Open the Back Pain page
  • ADHDCardio in general: 2 trialsSome evidence it helpsSize of effect: Not known

    Some human studies found a benefit. More research could change this.

    All 4 studies with a clear result found a benefit.

    Pooled analyses whose designs were not recorded found statistically significant improvements in attention problems and cognitive flexibility with aquatic exercise compared with no intervention and traditional aerobic exercise; it ranked first for these outcomes (SUCRA=80.9% and SUCRA=86.6%, respectively). A review also described reduced stress and behavioral symptoms with structured aquatic interventions in this subgroup.

    Open the ADHD pageCompare with Cardio in general →
  • Diabetes Type 2Cardio in general: Medium · 9 trialsSome evidence it helpsSize of effect: Not known

    Some human studies found a benefit. More research could change this.

    All 3 studies with a clear result found a benefit.

    A pooled analysis whose study designs were not recorded found improved endothelial function in a subgroup with medical conditions that included people with type 2 diabetes. Another pooled analysis whose study designs were not recorded associated exercise interventions in people with obesity and type 2 diabetes with elevated SPX levels.

    Open the Diabetes Type 2 pageCompare with Cardio in general →
  • Anxiety Disorder (General)Cardio in general: Low · 5 trialsSome evidence it helpsSize of effect: Not known

    Some human studies found a benefit. More research could change this.

    All 2 studies with a clear result found a benefit.

    Pooled analyses whose study designs were not recorded reported a reduction in mental disorder symptoms with aquatic exercise. A separate review also reported improved psychological well-being.

    Open the Anxiety Disorder (General) pageCompare with Cardio in general →
  • DepressionSome evidence it helpsSize of effect: Not known

    Some human studies found a benefit. More research could change this.

    All 2 studies with a clear result found a benefit.

    A review reported a positive effect on postpartum depression. Separately, swimming reversed depression-like behaviors in animal studies, which does not establish an effect in people.

    Open the Depression page
  • OsteoporosisCardio in general: 2 trialsSome evidence it helpsSize of effect: Not known

    Some human studies found a benefit. More research could change this.

    All 2 studies with a clear result found a benefit.

    A pooled analysis whose study designs were not recorded found improved bone mineral density at the lumbar spine and femoral neck among postmenopausal women, some of whom had osteopenia or osteoporosis. In a subgroup analysis, 2 studies found higher lumbar spine bone mineral density in postmenopausal swimmers exercising 3-6h/week than in controls.

    Open the Osteoporosis pageCompare with Cardio in general →
  • Parkinson's DiseaseCardio in general: Medium · 8 trialsSome evidence it helpsSize of effect: Not known

    Some human studies found a benefit. More research could change this.

    All 2 studies with a clear result found a benefit.

    Pooled analyses whose study designs were not recorded reported improvements in balance, walking ability, and quality of life for people with Parkinson's Disease. A quasi-experimental study in 9 patients also found changes in antioxidant enzyme activity after aquatic exercise.

    Open the Parkinson's Disease pageCompare with Cardio in general →

Studied only as cardio in general, not tested in swimming yet

These results come from studies of cardio as a whole. No study of swimming has looked at them yet.

Obesity (Medium · 11 trials) · Blood Glucose Level Support (Low · 8 trials) · Working Memory Improvement (Medium · 6 trials) · Coronary Artery Disease (High · 4 trials) · Breast Cancer (High · 4 trials) · Alzheimer's Disease (Medium · 4 trials) · and 3 more

All outcomes on the Cardio page →

Before you try it

What studies and reports say about side effects and who it may not suit.

Side effects

Possible: Inflammation Increase.

16 more with weak evidence.

May not suit you if you have
Recent Heart Attack (MI), Tracheostomy, Unstable Heart Disease (Unstable Angina / Decompensated Heart Failure), Acute Diarrhea, Contagious Skin Infection, Epilepsy, and 5 more
Some trials left out people with
Allergies (General), Bone Fracture, Heart Disease (General), Pregnancy, and 3 more
Serious interactions with
Thiazide Diuretics and Beta-Blockers
Reported by users
Dizziness (5 posts)
Also listed for cardio in general
Aortic Aneurysm · Recent Stroke · Rhabdomyolysis · CardiomyopathyPrecautions from the Cardio page. They are for cardio as a whole and may not all fit swimming.

General wellness information, not medical advice. Ask a doctor before you start, especially if you take medicines or have a health condition.

How people do it

A gentle start, then what the studies used.

Start with
30 minutes, 2 times a week (Continuous Moderate Swim)A gentle start based on the easiest variation, not on a study.
Build up to
50 minutes, 3 times a week (what the studies used)
What the studies ran
120 minutes a week for 11 weeks
Longest session studied
60 minutes (Aquatic Therapy Swim)Not a target and not a safe limit: past it there is no evidence either way.
Temperature
about 27–29.8 °C

The expert view shows every study, dose protocol and source.

Effects

56 listed

Start here

Most likely to help, from the evidence we have

  1. Balance ImprovementCertaintyMediumSourceMeta-analysis16 cited studies

    For people recovering from Stroke, a pooled analysis whose designs were not recorded found aquatic exercise improved Berg Balance Scale scores compared with a control group (MD = 3.43, 95% CI = (0.23, 6.63)).

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    Cardio in general: High · 3 trials →

  2. Mood ImprovementCertaintyMediumSourceMeta-analysisModerate effect11 cited studies · 1 other source

    A pooled analysis whose designs were not recorded ranked aquatic exercise among the more effective interventions for mental health. Another reported a positive effect on postpartum depression.

    →

    Cardio in general: Medium · 10 trials →

  3. Physical FunctionCertaintyMediumSourceMeta-analysisconflicting findings7 cited studies · 1 other source

    Pooled analyses whose designs were not recorded ranked aquatic exercise among the more effective interventions for activities of daily living, but another found no significant difference from land-based exercise. Results for physical function therefore vary across analyses.

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    Cardio in general: Medium · 5 trials →

  4. Physical Strength IncreaseCertaintyMediumSourceRCTModerate effect17 cited studies · 1 other source

    Pooled analyses whose designs were not recorded found improved muscle strength with aquatic exercise (SMD = 0.56, 95% CI: 0.39-0.74, p < 0.0001) and improved lower limb strength. The strength finding was reported in 2025.

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    Cardio in general: Medium · 4 trials →

  5. Flexibility ImprovementCertaintyMediumSourceRCT4 cited studies

    A pooled analysis whose designs were not recorded reported improved flexibility with aquatic exercise. A 2025 review also described increased range of motion.

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    Cardio in general: 2 trials →

  6. Body Composition ImprovementCertaintyMediumSourceRCT8 cited studies · 1 other source

    A pooled analysis of randomized and non-randomized human studies found swimming reduced body mass by a mean of -2.90 kg (95% CI -5.02 to -0.78). Another pooled analysis reported lower body mass index with aquatic or combined programs.

    →

    Cardio in general: Medium · 11 trials →

  7. Blood Pressure SupportCertaintyMediumSourceRCT4 cited studies

    A pooled analysis whose designs were not recorded found nighttime blood pressure reductions after aquatic exercise compared with land exercise (−3.7 mmHg (−4.7 to −2.8 mmHg)) and rest (−1.7 mmHg (−1.9 to −0.8 mmHg)). A review of randomized trials involving 402 people also reported blood pressure reductions, though their timing and magnitude varied.

    →

    Cardio in general: Medium · 11 trials →

Medium probability(24)
  1. Cognitive Function ImprovementCertaintyMediumSourceRCT7 cited studies · 1 other source

    A pooled analysis whose designs were not recorded found aquatic exercise improved cognitive scores compared with no intervention (MD = 22.16, 95% CI = (8.36, 35.97)) and compared with traditional aerobic exercise (MD = 43.47, 95% CI = (17.05, 69.89)). Findings on swimming specifically are less consistent: one review found a statistically significant relationship with improved cognition in six studies (35%).

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    Cardio in general: Medium · 26 trials →

  2. Joint Health ImprovementCertaintyMediumSourceRCT2 cited studies · 1 other source

    A pooled analysis found a lower joint dysfunction score with aquatic exercise than with a control group (n = 279; MD = −0.77; 95% CI: −1.38–−0.15). A separate review also reported less stiffness compared with non-exercise controls.

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    Cardio in general: 2 trials →

  3. Physical Endurance IncreaseCertaintyMediumSourceRCT12 cited studies · 1 other source

    A pooled analysis of randomized and non-randomized human studies found swimming increased maximal oxygen uptake compared with control (mean difference 6.32 mL/kg/min; 95% CI 4.33-8.31). Other reviews reported that some training studies found improvements in VO_2max while others did not, so results vary.

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    Cardio in general: Medium · 31 trials →

  4. Weight Management SupportCertaintyMediumSourceRCT2 cited studies · 2 other sources

    A pooled analysis whose designs were not recorded found aquatic exercise was associated with less excessive maternal weight gain in pregnant women (mean difference −1.66 kg, 95% CI −2.67 to −0.66). A separate review reported favorable effects of swimming on body fat percentage.

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    Cardio in general: Medium · 4 trials →

  5. Resting Heart Rate ImprovementCertaintyMediumSourceRCT2 cited studies · 2 other sources

    A randomized trial of 102 people reported a heart-rate change of −5.4% (p = 0.010). A pooled analysis also reported that aquatic exercise programs help control heart rate.

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    Cardio in general: Medium · 3 trials →

  6. Antidepressant EffectCertaintyMediumSourceRCT4 cited studies

    A review of participants aged 12 to 25 described reductions in depressive symptoms alongside reductions in stress and anxiety. In a randomized trial of 113 people, depression scores were lower at 6 mo and 12 mo, but the overall group × time interaction was not significant (P = .09).

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    Cardio in general: Medium · 25 trials →

  7. Social Function ImprovementCertaintyMediumSourceRCT5 cited studies

    A pooled analysis whose designs were not recorded found aquatic exercise improved social-function scores compared with no intervention (MD = −3.70, 95% CI = (−5.03, −2.37)). A review of randomized and non-randomized human studies reported improvement in physical, social, psychological, or participation outcomes in 29 of 31 studies, including studies involving Autism Spectrum Disorder and Cerebral Palsy.

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  8. Cholesterol Level ReductionCertaintyMediumSourceRCT3 cited studies

    Pooled analyses whose designs were not recorded reported favorable effects of swimming on total cholesterol; one ranked swimming as having the strongest effect among the interventions compared.

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    Cardio in general: High · 10 trials →

  9. Triglyceride Level ReductionCertaintyMediumSourceRCT3 cited studies

    Pooled analyses whose designs were not recorded reported favorable effects of swimming on triglycerides; one ranked swimming as having the strongest effect among the interventions compared.

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    Cardio in general: High · 9 trials →

  10. HDL Cholesterol IncreaseCertaintyMediumSourceRCT3 cited studies

    A review reported favorable effects of swimming on HDL cholesterol, but a pooled comparison ranked swimming fourth for this outcome and found dance had a better effect.

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    Cardio in general: Low · 7 trials →

  11. Muscle Mass IncreaseCertaintyMediumSourceRCT4 cited studies

    A pooled analysis of randomized and non-randomized human studies reported a mean increase in lean mass of 1.96 kg (95% CI 0.21-3.71). In a randomized trial of 34 people, an increase in muscle-fiber volume was observed only in the swimming exercise group at L2-L3 (0.21 [0.06 to 0.36] cm^3).

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    Cardio in general: 2 trials →

  12. Sleep Quality ImprovementCertaintyMediumSourceRCT3 cited studies

    In a randomized trial of 113 people, the overall group × time interaction for Pittsburgh Sleep Quality Index scores was P = .02, with a 12 mo change of −1.32 (−2.56 to −0.09), P = .04. Another randomized trial of 12 found no significant differences between conditions in total sleep time, sleep efficiency, or sleep-onset latency.

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    Cardio in general: Medium · 14 trials →

  13. Respiratory Health SupportCertaintyMediumSourceRCT2 cited studies · 1 other source

    A pooled analysis of randomized and non-randomized human studies found higher peak expiratory volume with swimming among children and adolescents with asthma alone (mean difference 63.49 L/min; 95% CI 25.01-101.97). The reported benefit was specific to this lung-function measure and population.

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    Cardio in general: Medium · 7 trials →

  14. Cardiovascular Health SupportCertaintyMediumSourceClinicalSmall effect6 cited studies · 2 other sources

    A review reported improved cardiorespiratory fitness after 36 months of recreational swimming. In a randomized trial of 102 people with Hypertension (High Blood Pressure) or Overweight, AerG changed by −4.5% (p = 0.039); findings on endothelial function and oxidative stress were mixed across studies.

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    Cardio in general: Medium · 14 trials →

  15. Anxiety ReductionCertaintyMediumSourceClinical5 cited studies · 2 other sources

    A review described reduced stress and behavioral symptoms among adolescents taking part in structured aquatic interventions. A randomized trial of 32 people reported a 16.9% change in combined anxiety and depression scores (P = 0.047); a separate review also reported improvements in psychological and behavioral symptoms among older adults.

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    Cardio in general: Medium · 14 trials →

  16. Emotional Regulation ImprovementCertaintyMediumSourceClinical3 cited studies

    A review described improvements in mood and emotional regulation among young adults, particularly with open-water or group-based swimming. In a randomized trial of 120 people, emotional regulation scores were higher in the cooperative learning group than in the other teaching groups (P < 0.001).

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    Cardio in general: 2 trials →

  17. Neuroplasticity ImprovementCertaintyMediumSourceClinicalLarge effect2 cited studies

    A 2026 systematic review whose pooled study designs were not recorded found stronger motor cortical inhibition among highly skilled and competition swimmers than among inexperienced swimmers, especially in water conditions (42% + 8% inhibition, d = 0.97, 95% CI = 0.51–1.43). A 2025 quasi-experimental study of 20 participants also reported brain-region differences.

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    Cardio in general: 2 trials →

  18. Lung Capacity ImprovementCertaintyMediumSourceClinical3 cited studies · 3 other sources

    A randomized trial of 32 people reported a 12.9% increase in peak expiratory pulmonary flow (P = 0.028). Findings do not establish that swimming increases lung growth: a review reported no apparent promotion of lung growth in practitioners.

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  19. Analgesic EffectCertaintyMediumSourceClinical3 cited studies · 1 other source

    A review reported improved pain compared with non-exercise controls. In a randomized trial of 30 people with Back Pain, backstroke was associated with lower average pain than breaststroke (mean difference, MD -0.63; 95% CI: -1.17 to -0.10).

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    Cardio in general: Medium · 4 trials →

  20. Oxygen Utilization ImprovementCertaintyMediumSourceClinical3 cited studies

    A randomized trial of 36 people found fitness test levels improved after exercise. A separate randomized trial of 21 reported that SmO2 decreased at T400 (5.5%, p = 0.017), so the reported findings do not point to a single direction of change in oxygen use.

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    Cardio in general: High · 6 trials →

  21. Blood Flow ImprovementCertaintyMediumSourceClinical2 cited studies · 1 other source

    In a randomized trial of 40 people, macrovascular function improved in the swimming group compared with the control group (%FMD; swimming group: 9.8% ± 4.2%, p <0.001; control group: 4.6% ± 2.5%). Another randomized trial of 32 people found lower platelet counts after the intervention.

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    Cardio in general: 2 trials →

  22. Stress Resilience ImprovementCertaintyMediumSourceClinical2 cited studies · 2 other sources

    A 2025 systematic review reported improvements in mood, resilience, and self-efficacy among participants aged 12 to 25. In a 2025 trial of 44 participants, the experimental group scored 3.57 ± 0.82 compared with 3.05 ± 0.83 in the control group.

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    Cardio in general: Medium · 3 trials →

  23. Inflammation ReductionCertaintyMediumSourceClinical2 cited studies

    In a randomized trial of 102 people, MCP-1 changed by −41.8% (p = 0.001). A review also proposed that swimming may reduce vascular inflammation in renal and cardiac tissues.

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    Cardio in general: Medium · 7 trials →

  24. Concentration ImprovementCertaintyMediumSourceClinical2 cited studies

    A review reported that external-focus strategies improved performance in intermediate swimmers. In a quasi-experimental study of 60 people, mental focus scores increased from 13.97 (SD = 2.70) before training to 14.97 (SD = 2.75) afterward (t = 2.10, p = 0.04, d = 0.38).

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Low probability(25)
  1. Chronic Pain ReductionCertaintyLowSourceMeta-analysisLarge effectconflicting findingslong-term13 cited studies · 1 other source

    Pooled analyses whose designs were not recorded reported lower pain with aquatic exercise than with non-exercise or land-exercise comparisons; one analysis in people with Osteoarthritis found a 0.61-point decrease (n = 756; MD = −0.61; 95% CI: −0.90–−0.32). Results differ across comparisons: a later analysis ranked aquatic exercise among the least effective interventions for pain.

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    Cardio in general: Medium · 6 trials →

  2. Bone Health ImprovementCertaintyLowSourceRCTSmall effect4 cited studies

    A pooled analysis found a small increase in lumbar-spine bone mineral density after aquatic exercise when an outlier study was excluded (n = 10; SMD: 0.30; 95%-CI: 0.11–0.49). Results vary: some studies found no changes in bone properties, while others reported improvements that were smaller than those seen with other sports.

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    Cardio in general: 2 trials →

  3. Insulin Sensitivity ImprovementCertaintyLowSourceRCT1 cited study

    A pooled analysis whose designs were not recorded reported improved maternal glucose tolerance and lower O'Sullivan test values.

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    Cardio in general: Low · 9 trials →

  4. Coordination ImprovementCertaintyLowSourceClinical1 cited study

    A review reported improved motor coordination after swimming in both the basic and formal groups: scores rose from 130.18 ± 37.71 to 162.71 ± 40.40 in the basic group and from 135.57 ± 37.45 to 172.64 ± 33.17 in the formal group (both *p* < 0.01).

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  5. Longevity and Anti-Aging SupportCertaintyLowSourceClinicalModerate effect1 cited study · 1 other source

    A review reported that swimming was associated with a 24% lower risk of all-cause mortality (HR = 0.76; 95% CI: 0.63, 0.92).

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    Cardio in general: 1 trial →

  6. Improve Heart Rate Variability (HRV)CertaintyLowSourceClinical1 cited study · 1 other source

    A review described a possible positive effect of swimming on vagal heart rate variability and the regulation and stability of the circulatory system.

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    Cardio in general: Medium · 3 trials →

  7. Fatigue ReductionCertaintyLowSourceClinical1 cited study · 1 other source

    A randomized trial of 32 people reported a 29.5% change in fatigue (P = 0.005).

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    Cardio in general: 2 trials →

  8. Motivation IncreaseCertaintyLowSourceClinical1 cited study · 1 other source

    A review reported that participants in the intervention group had higher post-intervention Physical Activity Enjoyment Scale scores than the control group (p = 0.015).

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    Cardio in general: Not rated, mixed results (1 trial) →

  9. Neuroprotective EffectCertaintyLowSourceClinical1 cited study

    A 2025 systematic review described swimming-related changes in brain signaling and inflammatory markers, including reduced mRNA and protein levels of NF-κB, TNF-α, and IL-6. This finding is from a review whose pooled study designs were not recorded.

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  10. Mitochondrial Function SupportCertaintyLowSourceClinical1 cited study

    A review proposed that swimming activates SIRT1 and PGC-1α in metabolic tissues, supporting mitochondrial biogenesis and antioxidant defense.

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    Cardio in general: 1 trial →

  11. Learning Speed ImprovementCertaintyLowSourceReviewnot used for recommendations1 cited study

    A review reported a positive effect during practice for the motor-learning methods it examined in 87% of studies.

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  12. Cellular Energy SupportCertaintyLowSourceReviewnot used for recommendations1 cited study

    A review reported that swimmers who did not increase CHO intake when training volume suddenly increased experienced more fatigue, muscle soreness, and difficulty completing workouts than those who spontaneously increased intake (8.2 g/kg body mass per day).

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  13. Memory ImprovementCertaintyLowSourceAnimal researchanimal / in-vitro onlynot used for recommendations1 cited study · 1 other source

    A study in animals found short- and long-term memory improved after 7 days of training (p < 0.05); it did not find differences between 7, 14, and 28 days (p > 0.05). Human evidence has not been established.

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    Cardio in general: Medium · 6 trials →

  14. Spatial Reasoning ImprovementCertaintyLowSourceAnimal researchanimal / in-vitro onlynot used for recommendations1 cited study

    An animal study found improved learning and memory formation after 7 days of swimming training (p < 0.01), with fewer errors that remained below baseline (p < 0.0001). Human evidence was not reported.

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  15. Gut Microbiome Health SupportCertaintyLowSourceAnimal researchanimal / in-vitro onlynot used for recommendations1 cited study

    In a study in animals with Osteoarthritis, exercise alone improved gut microbial diversity compared with the control group; the finding does not establish an effect in people.

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  16. Breath Hold Time ImprovementCertaintyLowSourceAnecdotallong-termnot used for recommendations2 other sources

    Expert commentary proposes that regular swimming may enhance breath-holding capacity through improved CO2 tolerance and diaphragmatic efficiency. Community reports also mention this effect.

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  17. Thermoregulation ImprovementCertaintyLowSourceAnecdotallong-termnot used for recommendations2 other sources

    Expert commentary suggests swimming in cool water may improve tolerance to cold environments over time. Community reports also mention this effect.

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  18. Muscle Recovery AccelerationCertaintyLowSourceAnecdotalnot used for recommendations2 other sources

    Expert commentary suggests that low-impact swimming or pool recovery sessions may reduce perceived soreness after hard land-based training; this is not a clinical finding. Community reports also describe this effect.

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  19. Immune System SupportCertaintyLowSourceTheoreticalnot used for recommendations1 other source

    Expert commentary suggests moderate-intensity swimming may reduce upper respiratory tract infection incidence, while prolonged high-intensity swimming can transiently suppress immune function.

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    Cardio in general: 1 trial →

  20. Metabolic Flexibility ImprovementCertaintyLowSourceTheoreticalnot used for recommendations1 other source

    Expert commentary proposes that regular swimming training improves the body's ability to switch between fat and carbohydrate oxidation.

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  21. Proprioception ImprovementCertaintyLowSourceTheoreticallong-termnot used for recommendations1 other source

    Expert commentary proposes that water resistance and buoyancy provide feedback that may support joint-position sense and movement awareness.

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  22. Vagal Tone ImprovementCertaintyLowSourceTheoreticalnot used for recommendations1 other source

    Expert commentary proposes that swimming with rhythmic, controlled breathing can increase vagal tone and support relaxation and heart-rate recovery.

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    Cardio in general: 1 trial →

  23. Brain Fog ReductionCertaintyLowSourceTheoreticalnot used for recommendations1 other source

    Expert commentary suggests swimming may reduce subjective brain fog through increased cerebral blood flow and neurotransmitter levels, though this explanation is indirect.

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  24. Muscle Soreness Reduction (DOMS)CertaintyLowSourceTheoreticalnot used for recommendations1 other source

    Expert commentary suggests easy swimming after intense exercise may reduce delayed-onset muscle soreness compared with passive rest.

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  25. Posture ImprovementCertaintyLowSourceTheoreticalnot used for recommendations1 cited study · 1 other source

    A review found that swimming did not lead to changes in postural deficits, so the studies did not support this effect.

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1 more mentioned only by users

What to expect

Swimming has not been shown to produce an immediate benefit after one session. In the first weeks, studies measured some changes after programmes lasting 2–8 weeks; other changes were measured after longer programmes, with typical trial lengths extending to 25 weeks. These are end-of-programme findings, not promises of when an individual will notice a change. At longer follow-up, the physical-function benefit had fully faded by 52-week follow-up. Reported harms occurred after a single session and during programmes lasting 12 or 20 weeks.

Conditions it's used for

Complaints and diagnoses people take it for42 listed

Highest probability, strongest evidence

  1. OsteoarthritisCertaintyHighSourceMeta-analysis6 cited studies

    A pooled analysis whose study designs were not recorded found pain reduction (SMD -0.36, P=0.002) and improved physical function (SMD 0.61, P=0.01) in an osteoarthritis subgroup. Another pooled analysis whose study designs were not recorded found aquatic exercise comparable to land-based exercise and better than no intervention for some outcomes.

    →

    Cardio in general: Very high · 3 trials →

Medium probability(11)
  1. Back PainCertaintyMediumSourceMeta-analysis7 cited studies

    A pooled analysis whose study designs were not recorded found pain reduction (SMD -1.68, P<0.001) and improved physical function (SMD 1.52, P<0.001) for back pain, but did not find improved quality of life; only 2 studies measured that outcome. A separate review reported decreased medical leave due to lower back pain.

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  2. StrokeCertaintyMediumSourceMeta-analysisnot used for recommendations2 cited studies

    Pooled analyses whose study designs were not recorded reported improvements in multiple quality-of-life domains among people with Stroke. Another pooled analysis whose study designs were not recorded found better balance, motor function, cardiorespiratory fitness, and functional independence with aquatic exercise than with land-based exercise.

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  3. ADHDCertaintyMediumSourceRCT4 cited studies

    Pooled analyses whose designs were not recorded found statistically significant improvements in attention problems and cognitive flexibility with aquatic exercise compared with no intervention and traditional aerobic exercise; it ranked first for these outcomes (SUCRA=80.9% and SUCRA=86.6%, respectively). A review also described reduced stress and behavioral symptoms with structured aquatic interventions in this subgroup.

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    Cardio in general: 2 trials →

  4. Diabetes Type 2CertaintyMediumSourceRCT3 cited studies

    A pooled analysis whose study designs were not recorded found improved endothelial function in a subgroup with medical conditions that included people with type 2 diabetes. Another pooled analysis whose study designs were not recorded associated exercise interventions in people with obesity and type 2 diabetes with elevated SPX levels.

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    Cardio in general: Medium · 9 trials →

  5. Anxiety Disorder (General)CertaintyMediumSourceRCT2 cited studies

    Pooled analyses whose study designs were not recorded reported a reduction in mental disorder symptoms with aquatic exercise (SMD = -0.77, P < 0.01). A separate review also reported improved psychological well-being.

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    Cardio in general: Low · 5 trials →

  6. DepressionCertaintyMediumSourceRCT2 cited studies

    A review reported a positive effect on postpartum depression. Separately, swimming reversed depression-like behaviors in animal studies, which does not establish an effect in people.

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  7. OsteoporosisCertaintyMediumSourceRCT2 cited studies

    A pooled analysis whose study designs were not recorded found improved bone mineral density at the lumbar spine and femoral neck among postmenopausal women, some of whom had osteopenia or osteoporosis. In a subgroup analysis, 2 studies (n=35) found higher lumbar spine bone mineral density in postmenopausal swimmers exercising 3-6h/week than in controls.

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    Cardio in general: 2 trials →

  8. Parkinson's DiseaseCertaintyMediumSourceRCT2 cited studies

    Pooled analyses whose study designs were not recorded reported improvements in balance, walking ability, and quality of life for people with Parkinson's Disease. A quasi-experimental study in 9 patients also found changes in antioxidant enzyme activity after aquatic exercise.

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    Cardio in general: Medium · 8 trials →

  9. Autism Spectrum DisorderCertaintyMediumSourceClinical3 cited studies

    A review of randomized and non-randomized human studies rated the certainty as moderate that swimming interventions improve swimming skills in autistic children; the largest subgroup included 28 children. A separate review described hydrotherapy as providing a low-arousal, sensory-regulated environment that supported social interaction and motor development.

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  10. PediatricCertaintyMediumSourceClinical3 cited studies

    A review reported positive effects of swimming on FMS development. A small RCT in 36 healthy preschool boys found better balance and IQ scores with swimming than with traditional physical exercise.

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  11. Elderly (65+)CertaintyMediumSourceClinical2 cited studies

    An RCT in 80 older adults found improved cardiovascular endurance with FS, muscular strength with ART, and agility with combined FS&ART. A separate RCT in 40 older adults reported 88-93% compliance, no dropouts in the swimming group, and vascular improvements.

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Low probability(26)
  1. Ankylosing SpondylitisCertaintyLowSourceMeta-analysis1 cited study

    Ankylosing Spondylitis was included in an overall analysis reporting benefit, but the pooled analyses whose study designs were not recorded reported limited condition-specific results.

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    Cardio in general: 1 trial →

  2. Hypercholesterolemia (High Cholesterol)CertaintyLowSourceRCT1 cited study

    A pooled analysis whose study designs were not recorded reported lower total cholesterol, triglycerides, and LDL cholesterol with swimming compared with no intervention and other exercises.

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  3. MenopauseCertaintyLowSourceRCT1 cited study

    A pooled analysis whose study designs were not recorded reported improved physical fitness and quality of life in postmenopausal women.

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    Cardio in general: High · 4 trials →

  4. Peripheral Artery DiseaseCertaintyLowSourceRCT1 cited study

    Two included studies focused on Peripheral Artery Disease; a pooled analysis whose study designs were not recorded reported benefits for vascular function overall.

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  5. PregnancyCertaintyLowSourceRCT1 cited study

    A pooled analysis whose study designs were not recorded reported reductions in maternal weight gain and birth weight, alongside improvements in depression, body image, quality of life, low back pain, glucose tolerance, balance, and mobility.

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  6. Intellectual DisabilityCertaintyLowSourceClinical2 cited studies

    A 2024 randomized trial involving 42 children found improvements in balance and lower-limb muscle strength after a 12-week aquatic exercise program compared with control (p < 0.05, moderate to large effect sizes). A separate cross-sectional study of 9 swimmers with intellectual disabilities described more efficient coordination patterns and faster velocities.

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  7. Chronic PainCertaintyLowSourceClinical1 cited study

    An RCT with 34 participants found within-group improvements in paraspinal muscle volume and strength after aquatic therapy.

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  8. DyslipidemiaCertaintyLowSourceClinical1 cited study

    A pooled analysis whose study designs were not recorded reported improvements in total cholesterol (p=0.004) and HDL cholesterol (p<0.001) across 3 intervention studies.

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    Cardio in general: 1 trial →

  9. FibromyalgiaCertaintyLowSourceClinical1 cited study

    A review synthesizing four clinical trials reported positive results for pain and quality of life in Fibromyalgia.

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    Cardio in general: 2 trials →

  10. IBD (Inflammatory Bowel Disease)CertaintyLowSourceClinical1 cited study

    A review of 3 rodent studies reported that swimming consistently improved macroscopic and microscopic colitis outcomes; this does not establish an effect in people with IBD.

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  11. Mild Cognitive ImpairmentCertaintyLowSourceClinical1 cited study

    A review of randomized and non-randomized human studies reported possible cognitive and behavioral benefits across people with cognitive impairment, including Mild Cognitive Impairment, but found inconsistent results in evidence that was mostly observational and under-described.

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    Cardio in general: Low · 3 trials →

  12. Multiple SclerosisCertaintyLowSourceClinical1 cited study

    Pooled analyses whose study designs were not recorded found improved BBS and TUG scores compared with control in people with Multiple Sclerosis.

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  13. OverweightCertaintyLowSourceClinical1 cited study

    Pooled analyses whose study designs were not recorded included overweight or obese sedentary populations and reported increased SPX with exercise.

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    Cardio in general: Medium · 4 trials →

  14. Rheumatoid ArthritisCertaintyLowSourceClinical1 cited study

    In a 12-week aquatic exercise program, a quasi-experimental study in 43 women with Rheumatoid Arthritis found improvements in pain, depression, and some measures of physical fitness.

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  15. Down SyndromeCertaintyLowSourceReviewnot used for recommendations2 cited studies

    Findings differ: a review described swimming as the most common intervention, while a cross-sectional study of 9 swimmers with Down Syndrome found disadvantaged anthropometrics and slower velocities compared with swimmers with intellectual disabilities; that study still characterized swimming as beneficial for this population.

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  16. Cerebral PalsyCertaintyLowSourceReviewnot used for recommendations1 cited study

    A review described aquatic exercise as the most common intervention type in studies involving Cerebral Palsy.

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  17. Frozen ShoulderCertaintyLowSourceReviewnot used for recommendations1 cited study

    A narrative review indicates that aquatic exercise has been studied as a treatment for Frozen Shoulder.

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  18. Post-Surgery RecoveryCertaintyLowSourceReviewnot used for recommendations1 cited study

    A review describes swimming as a possible way to gradually reintroduce activity, drawing on aquatic therapy evidence in spinal cord injury.

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  19. Non-Alcoholic Fatty Liver Disease (NAFLD)CertaintyLowSourceAnimal researchnot used for recommendations1 cited study

    In zebrafish with experimentally induced Non-Alcoholic Fatty Liver Disease, swimming alone or with probiotics reduced BMI, relative liver weight, hepatic steatosis, triglycerides, free fatty acids, glucose, and pyruvic acid; this animal finding does not establish an effect in people.

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  20. Chronic Kidney DiseaseCertaintyLowSourceTheoreticalnot used for recommendations1 other source

    Supervised swimming improves physical function and quality of life in stable Chronic Kidney Disease, including among people on dialysis.

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    Cardio in general: 2 trials →

  21. COPD (Chronic Obstructive Pulmonary Disease)CertaintyLowSourceTheoreticalnot used for recommendations1 other source

    Swimming may improve exercise capacity and quality of life for people with COPD, particularly when breathlessness or joint pain limits land-based exercise.

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    Cardio in general: High · 3 trials →

  22. InsomniaCertaintyLowSourceTheoreticalnot used for recommendations1 other source

    Regular moderate aerobic exercise may modestly improve sleep onset and quality in people with Insomnia; evidence specific to swimming is limited.

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    Cardio in general: 1 trial →

  23. LymphedemaCertaintyLowSourceTheoreticalnot used for recommendations1 other source

    The hydrostatic pressure and muscle pump action during swimming can help reduce limb volume in Lymphedema, especially when combined with compression garments.

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  24. Metabolic SyndromeCertaintyLowSourceTheoreticalnot used for recommendations1 other source

    Regular aerobic exercise, including swimming, can improve waist circumference, blood pressure, lipids, and glycemic control; swimming alone tends to produce less weight loss than land-based aerobic exercise.

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    Cardio in general: 2 trials →

  25. PrediabetesCertaintyLowSourceTheoreticalnot used for recommendations1 other source

    Regular moderate aerobic exercise, which can include swimming, improves insulin sensitivity and glycemic control in people with impaired glucose tolerance.

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    Cardio in general: 1 trial →

  26. Spinal StenosisCertaintyLowSourceTheoreticalnot used for recommendations1 other source

    Swimming can provide pain-free aerobic exercise for people with lumbar Spinal Stenosis because of the decompressive effects of buoyancy.

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Very low probability(4)
  1. Vitamin D DeficiencyCertaintyVery lowSourceMeta-analysisnot used for recommendations1 cited study

    Studies did not support indoor physical activity as a way to increase 25(OH)D concentration: a pooled analysis found no significant effect (p=0.113). The overall positive effect was driven by outdoor interventions, pointing to sun exposure rather than exercise as the mechanism.

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  2. COVID-19CertaintyVery lowSourceClinicalnot used for recommendations1 cited study

    Pooled analyses whose designs were not recorded provided insufficient data to establish whether swimming is associated with COVID-19 or whether there is no association.

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  3. Post-Viral SyndromeCertaintyVery lowSourceClinicalnot used for recommendations1 cited study

    An 8-week swimming program did not produce significant changes in body composition in a 2024 quasi-experimental study involving 31 people.

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  4. Male InfertilityCertaintyVery lowSourceAnimal researchnot used for recommendations1 cited study

    A 2025 study in animals found that swimming training alone did not significantly improve hormonal or sperm parameters and observed histological damage; benefits were reported only when swimming was combined with biotin.

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Studied only as cardio in general, not tested in swimming yet

These results come from studies of cardio as a whole. No study of swimming has looked at them yet.

Obesity (Medium · 11 trials) · Blood Glucose Level Support (Low · 8 trials) · Working Memory Improvement (Medium · 6 trials) · Coronary Artery Disease (High · 4 trials) · Breast Cancer (High · 4 trials) · Alzheimer's Disease (Medium · 4 trials) · and 3 more

All outcomes on the Cardio page →

Side effects

17 listed

Highest probability

  1. Inflammation IncreaseCertaintyMediumSourceClinical2 cited studies

    After a winter swimming season, a quasi-experimental study of 90 women found increased resistin concentrations. In a separate quasi-experimental study of 9 people, TBARS levels were higher 30 days after the first aquatic exercise session than before the program.

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Low probability(16)
  1. Hormonal ImbalanceCertaintyLowSourceClinical1 cited study

    A quasi-experimental study of 90 women found increased leptin concentrations after a winter swimming season.

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  2. Heart Rate IncreaseCertaintyLowSourceClinical1 cited study

    In a randomized trial of 12 healthy participants, heart rate was 4 bpm higher in EX than CON (p = 0.02).

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  3. Mental FatigueCertaintyLowSourceClinical1 cited study

    A 2026 pooled analysis whose study designs were not recorded found impaired performance in young adult swimmers, with a 1.2% decrement (d = 0.13).

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  4. PainCertaintyLowSourceClinical1 cited study · 1 other source

    A randomized trial involving 113 participants reported low back pain related to the intervention.

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  5. Ear Infection (Otitis)CertaintyLowSourceReference knowledge1 other source

    Trapped water can lead to swimmer's ear, an infection of the ear canal that may cause pain and discharge.

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  6. Dry SkinCertaintyLowSourceReference knowledge1 other source

    Pool disinfectants can strip natural oils and cause dry, itchy skin, especially with frequent or prolonged swimming.

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  7. Fainting (Syncope)CertaintyLowSourceReference knowledge1 other source

    Hyperventilating before breath-hold or underwater swimming can cause loss of consciousness without warning and carries a drowning risk; this does not apply to normal stroke swimming.

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  8. TendinopathyCertaintyLowSourceReference knowledge1 other source

    Repetitive overhead strokes can contribute to rotator cuff and biceps tendinopathy, particularly with high swimming volume, poor technique or inadequate strength balance.

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  9. Rhinitis (Runny Nose)CertaintyLowSourceReference knowledge1 other source

    Chloramines in indoor pools can irritate the eyes, nose and airways, causing rhinitis-like symptoms in some swimmers.

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  10. Bruising (Ecchymosis)CertaintyLowSourceReference knowledge1 other source

    Minor bruises can result from bumping into the pool wall, lane ropes or other swimmers.

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  11. Gastric IrritationCertaintyLowSourceReference knowledge1 other source

    Swallowing pool or open water, or swimming hard soon after a meal, can cause stomach pain or nausea. Contaminated water can also carry gut germs.

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  12. Muscle Ache (Myalgia)CertaintyLowSourceReference knowledge1 other source

    Unaccustomed or hard swimming sessions can cause delayed-onset muscle soreness lasting 1-3 days.

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  13. Nutrient DepletionCertaintyLowSourceReference knowledge1 other source

    Heavy endurance training can raise hepcidin after sessions, potentially lowering iron stores over time, mainly in female athletes with high training loads.

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  14. Skin Rash / IrritationCertaintyLowSourceReference knowledge1 other source

    Chlorine and other pool chemicals can irritate skin and cause an itchy rash; parasites in open water can cause swimmer's itch.

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  15. Muscle StrainCertaintyLowSourceReview2 cited studies

    Reviews describe overuse injuries involving tendons and ligaments, as well as spinal strain or spondylolysis, as possible concerns.

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  16. Injury Risk IncreaseCertaintyLowSourceReview1 cited study

    A review noted an increased risk of lumbar and cervical disc degeneration.

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1 more mentioned only by users

Don't do it if

When to skip it or get medical advice first11 listed

Highest probability

  1. Recent Heart Attack (MI)CertaintyLowSourceReference knowledgeTheoretical

    Swimming is typically prohibited until cardiac rehabilitation is complete and a stress test confirms safe exercise capacity, because of the risk of arrhythmia or reinfarction.

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  2. TracheostomyCertaintyLowSourceReference knowledgeTheoretical

    Water entering the stoma can cause aspiration, infection, or drowning. Swimming requires a specialized watertight device and medical clearance.

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  3. Unstable Heart Disease (Unstable Angina / Decompensated Heart Failure)CertaintyLowSourceReference knowledgeTheoretical

    With unstable angina or decompensated heart failure, the exertion of swimming can raise the risk of an acute cardiac event and drowning.

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  4. Acute DiarrheaCertaintyLowSourceReference knowledgeTheoretical

    Active diarrhea can contaminate pool water with pathogens and increases the risk of dehydration during exertion.

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  5. Contagious Skin InfectionCertaintyLowSourceReference knowledgeTheoretical

    Open or contagious skin infections, including impetigo and fungal infections, may spread to others and can be aggravated by prolonged water exposure.

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  6. EpilepsyCertaintyLowSourceReference knowledgeTheoretical

    A seizure in water can lead to drowning. Swimming is usually compatible with well-controlled epilepsy when close supervision is provided; uncontrolled seizures or swimming without one-to-one supervision raise the concern.

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  7. Long QT SyndromeCertaintyLowSourceReference knowledgeTheoretical

    For Long QT Syndrome type 1, swimming and facial water immersion can trigger life-threatening arrhythmias. Unsupervised or competitive swimming is advised against unless the condition is treated and a cardiologist has cleared it.

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Low probability(4)
  1. Acute Febrile IllnessCertaintyLowSourceReference knowledgeTheoretical

    Fever increases cardiac strain and dehydration risk; swimming while febrile can worsen illness and may spread infection.

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  2. Hypertension (High Blood Pressure)CertaintyLowSourceReference knowledgeTheoretical

    Elevated systolic or diastolic pressure can increase the risk of cerebrovascular events during exertion, particularly with breath-holding or cold-water immersion.

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  3. Otitis Media (Ear Infection)CertaintyLowSourceReference knowledgeTheoretical

    An active ear infection, or an eardrum with a perforation or tube that is not protected, can be worsened by water entering the ear and may cause pain or vertigo.

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  4. Chlorine SensitivityCertaintyLowSourceReference knowledgeTheoretical

    Disinfection by-products in indoor pools can trigger airway or skin reactions in people with chlorine or chloramine hypersensitivity, and may be a concern during an active asthma exacerbation. Saltwater or outdoor pools may be better tolerated.

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Who the trials left out

Some trials of this practice did not take people with these conditions, so the studies say less about them. This is not a warning and does not show harm. Ask a clinician first.19 listed
Left out by one trial each (12)

Also listed for cardio in general

Precautions from the Cardio page. They are for cardio as a whole and may not all fit swimming.

Aortic Aneurysm · Recent Stroke · Rhabdomyolysis · Cardiomyopathy

See them on the Cardio page →

When you stop

Rebound and withdrawal after discontinuing3 listed

Highest probability

  1. Physical FunctionCertaintyLowSourceClinicalloss of benefit1 cited study

    A randomized controlled trial involving 76 people found that the between-group difference in physical function was not sustained at 52 weeks.

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  2. Physical Endurance DecreaseCertaintyLowSourceTheoreticalloss of benefit1 other source

    After regular swimming stops, aerobic fitness gains can fade within a few weeks, with VO2max and endurance returning toward baseline.

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  3. Heart Rate IncreaseCertaintyLowSourceTheoreticalloss of benefit1 other source

    After training stops, resting and submaximal exercise heart rates tend to drift back up as stroke-volume adaptations reverse.

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Interactions

Dangerous combinations

Highest severity first

  1. Beta-BlockersTheoreticalSerious

    Beta-Blockers may mask a rapid heartbeat, a warning sign of overexertion or hypothermia during swimming, so cardiovascular strain or cold shock may go undetected.

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  2. Thiazide DiureticsTheoreticalSerious

    Swimming, especially in warm water, can add to fluid and electrolyte loss with Thiazide Diuretics, increasing the risk of hypovolemia, fainting, and arrhythmia.

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  3. CaffeineTheoreticalCaution

    High-intensity swimming combined with high-dose Caffeine can increase the risk of tachycardia, arrhythmia, and dehydration through additive cardiovascular and thermogenic stress.

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Okay to combine with

Highest probability of useful synergy

  1. SupplementsCaffeineCertaintyMediumSourceReference knowledgePotentiating

    Caffeine can increase alertness and reduce perceived exertion during swimming, especially in longer events.

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  2. PracticesCardioCertaintyMediumSourceReference knowledgeComplementary

    Swimming can complement other forms of cardio by providing low-impact aerobic conditioning with less joint stress while maintaining cardiovascular adaptation.

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  3. SupplementsCreatineCertaintyMediumSourceReference knowledgePotentiating

    Creatine may improve repeated sprint performance and recovery in swimming, particularly during high-intensity interval sets.

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  4. SupplementsMagnesiumCertaintyMediumSourceReference knowledgeComplementary

    Magnesium supports muscle relaxation and cramp prevention during prolonged swimming sessions.

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  5. PracticesStatic StretchingCertaintyMediumSourceReference knowledgePotentiating

    Static stretching after swimming may enhance flexibility gains and reduce muscle stiffness while tissues are warm and pliable.

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  6. SupplementsBeetroot ExtractCertaintyMediumSourceReference knowledgePotentiating

    Beetroot Extract, as a source of nitrate, may enhance blood flow and mitochondrial efficiency, potentially improving swimming economy and time-to-exhaustion.

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  7. SupplementsOmega-3CertaintyMediumSourceReference knowledgeAdditive

    Omega-3 fatty acids may reduce exercise-induced inflammation and support cardiovascular recovery after swimming.

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Medium probability(7)
  1. PracticesRespiratory BiofeedbackCertaintyMediumSourceReference knowledgeAdditive

    Respiratory Biofeedback may improve breath control and CO2 tolerance, supporting swimming endurance and breath-hold performance.

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  2. SupplementsBeta-AlanineCertaintyMediumSourceReference knowledgeAdditive

    Beta-Alanine raises muscle carnosine and buffers acidosis, which may modestly benefit high-intensity efforts lasting roughly 1-4 minutes, such as 100-200 m swim events.

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  3. PracticesStrength TrainingCertaintyMediumSourceTheoreticalComplementary

    Swimming provides low-impact aerobic conditioning but is non-weight-bearing and does little for bone density or maximal strength; Strength Training adds muscle strength and loading to the bones.

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  4. PracticesYogaCertaintyMediumSourceTheoreticalComplementary

    Yoga can build flexibility, body awareness, and breath control, which may support stroke efficiency and reduce shoulder strain.

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  5. PracticesDiaphragmatic BreathingCertaintyMediumSourceTheoreticalComplementary

    Diaphragmatic breathing practice may enhance respiratory efficiency and CO2 tolerance, supporting swimming breathing patterns.

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  6. PracticesPilatesCertaintyMediumSourceTheoreticalComplementary

    Pilates strengthens the core and improves postural alignment, which may help improve body position and reduce drag in the water.

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  7. PracticesDynamic StretchingCertaintyMediumSourceTheoreticalAdditive

    A dynamic shoulder and trunk warm-up before swimming prepares the joints and muscles for the stroke and is commonly recommended to reduce shoulder strain.

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Weakens or is weakened by

Highest probability

  1. SupplementsEthanol (Alcohol)CertaintyMediumSourceReference knowledgeCompetitive

    Alcohol can impair thermoregulation, coordination, and judgment during swimming, increasing drowning risk and reducing performance and recovery.

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  2. PracticesFasted TrainingCertaintyMediumSourceReference knowledgeDepleting

    Fasted swimming may impair performance and increase muscle catabolism, particularly during endurance or high-intensity sessions.

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  3. SupplementsAlpha-Lipoic Acid (ALA)CertaintyMediumSourceReference knowledgeCompetitive

    High-dose alpha-lipoic acid may blunt oxidative signaling involved in mitochondrial biogenesis and other training adaptations.

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How it works

The mechanisms this practice works through25 listed · 2 established

Established mechanisms

  • Anaerobic capacityMetabolicestablished

    Higher anaerobic power and capacity, reflected in tethered swimming force and blood lactate profiles, support sprint swimming performance.

    PMID 38238793PMID 39841367

  • Body dimensionsAnthropometricestablished

    Greater height, arm span, hand/foot surface area positively affect swimming performance by increasing propulsive surface area and reducing drag.

    PMID 40483624PMID 41590970

Proposed mechanisms

  • Brain network reorganization, axonal connection density, synaptic transmissionNeural plasticity and motor controlproposed

    Water-based exercises combined with repetitive functional movement training stimulate neural network remodeling, enhance axonal connection density, and improve synaptic transmission efficiency, improving brain control over muscles.

    PMID 39825230

  • Energy systemsAerobic metabolismproposed

    Long-distance swimmers rely heavily on aerobic metabolism, with up to 80% of energy provided aerobically during long endurance events. This involves fatty acid oxidation, blood-derived glucose, and muscle glycogen utilization.

    PMID 39599736

  • Gut microbiota compositionGut-brain axisproposed

    Swimming altered the relative abundance of Desulfovibrio, Streptococcus, and p-75-a5 genera, and modulated metabolic pathways including aromatic biogenic amine degradation, toluene degradation, and starch degradation.

    PMID 35411144

  • Gut microbiota composition and functionGut-liver axisproposed

    Swimming exercise altered gut microbiota composition (increasing genera diversity from 115 to 171) and affected microbial functional pathways related to glucose and fatty acid metabolism, contributing to NAFLD alleviation.

    PMID 39941128

  • Hepcidin-independent iron metabolismIron regulatory systemproposed

    Swimming-induced changes in iron, erythroferrone, ferritin, transferrin, and red blood cell parameters suggest that iron regulatory responses can occur independently of hepcidin activity, with contributions from ferritin, transferrin, and erythropoietic mechanisms.

    PMID 41266776

  • IQ/cognitive abilitycognitive developmentproposed

    Swimming as an aerobic activity may improve cardiorespiratory endurance, which may benefit intellectual development through a mediating effect. Parental interaction during swimming may advance brain and nervous system growth, boosting cognitive function.

    PMID 38883199

  • Muscles and soft tissuesHydrostatic and sensory effectsproposed

    Combined effects of hydrostatic weightlessness and massage-like properties of water immersion produce measurable therapeutic outcomes including reduction or resolution of muscle cramps and alleviation of disc-related muscular spasms.

    PMID 40805971

  • PPAR pathway, fatty acid synthesis, transport, esterification, and β-oxidationFatty acid metabolismproposed

    Exercise inhibited PPAR pathway transduction, fatty acid synthesis, fatty acid transport, and fatty acid esterification while promoting fatty acid β-oxidation, reducing hepatic lipid accumulation and accelerating fatty acid conversion to CO2.

    PMID 39941128

  • Pain intensityPain modulationproposed

    Aquatic exercise reduces pain intensity in women with fibromyalgia through mechanisms likely involving buoyancy-supported movement, hydrostatic pressure, and warm water effects on muscle relaxation and pain perception.

    PMID 40319533

  • Total cholesterol, triglycerides, LDL cholesterolLipid metabolismproposed

    Swimming, as a systemic aerobic exercise, promotes lipid metabolism more effectively, possibly due to water buoyancy reducing joint pressure and allowing longer exercise duration in middle-aged and elderly people.

    PMID 38998844

  • VO2maxaerobic metabolismproposed

    3-year swimming training improved aerobic capacity, with swimmers increasing VO2max while non-swimmers declined. Authors suggest endurance training may enhance oxygen enzyme function (SDH, CS) leading to more efficient fat utilization.

    PMID 40406229

  • attention and inhibitory controlfunctional connectivity between rIFG and right inferior parietal lobule (default mode network)proposed

    Swimming exercise enhanced FC between rIFG and the right inferior parietal lobule, a key node of the default mode network. Enhanced connectivity may reflect improved DMN suppression during attention-demanding tasks, facilitating dorsal attention network activation.

    PMID 41068640

  • balance and motor controlneuromuscular functionproposed

    Swimming training in water provides resistance that enhances explosive power and neuromuscular function, leading to improved balance. Parental accompaniment may further improve balance through psychological factors and well-being.

    PMID 38883199

  • compensatory neural mechanismfunctional connectivity between rIFG and cerebellum posterior lobeproposed

    Swimming exercise decreased FC between rIFG and cerebellum posterior lobe, possibly as a compensatory effect of enhanced prefrontal connectivity or simultaneous prefrontal activation with cerebellar suppression during exercise.

    PMID 41068640

  • endothelial functionnitric oxide productionproposed

    Exercise-induced mechanical effects on arteries via repetitive exposure to increases in blood pressure, blood flow, and arterial shear lead to increased NO production in endothelial cells, promoting vascular smooth muscle relaxation.

    PMID 37766753

  • inhibitory control networkfunctional connectivity within right inferior frontal gyrusproposed

    Swimming exercise enhanced functional connectivity within the rIFG, a core brain region for response inhibition. This increased connectivity was correlated with improved behavioral inhibition (faster response times and higher accuracy on the Flanker task).

    PMID 41068640

  • joint unloading and movement facilitationbuoyancy and hydrostatic pressureproposed

    The hydrostatic and hydrodynamic characteristics of water make exercise feasible for children with disabilities. Buoyancy gives support and unloads joints, enabling movement for those with pain or physical functioning problems.

    PMID 39594979

  • lower limb joint angles and force productionneuromuscularproposed

    The DKS block allows for adjustable pedal angles that optimize front and rear knee, ankle, and hip angles, placing the center of mass in a mechanically advantageous position for generating horizontal impulse and reducing block time.

    PMID 41567228

  • lumbar proprioceptive acuitysensorimotor integrationproposed

    Motor imagery combined with physical execution may enhance sensorimotor processing by activating shared neural pathways in motor-related cortical areas, while visual deprivation increases reliance on somatosensory feedback from muscle spindles.

    PMID 40959125

  • lumbar spine function and pain perceptionmusculoskeletalproposed

    Therapeutic aquatic exercise improved disability (RMDQ) and reduced pain intensity (NRS) in patients with chronic low back pain, likely through buoyancy-supported movement reducing spinal loading while enabling active exercise.

    PMID 34994794

  • sympathetic/vagal balanceautonomic nervous systemproposed

    Aquatic exercise may increase vagal modulation and reduce sympathetic activity, contributing to nighttime blood pressure reduction. Heart rate variability analysis showed greater high-frequency (vagal) component after aquatic vs land exercise.

    PMID 35173635

  • vascular endotheliumhemodynamic / shear stressproposed

    Hydrostatic pressure during water immersion enhances venous return and increases central blood volume, leading to elevated cardiac output and enhanced blood flow. This increases shear stress on the vascular endothelium, stimulating endothelial adaptations.

    PMID 41385562

  • vitamin D release from adipose tissueadipose tissue lipolysisproposed

    It has been hypothesized that exercise could increase serum 25(OH)D by stimulating its release from adipose tissue due to lipolysis, but this meta-analysis found no evidence supporting this mechanism independently of sun exposure.

    PMID 38601179

Variations

5 documented

Typical protocol

92 protocolsEstimated

Across every study of this practice, whatever the variation.

50 min · 3×/week

Course
11 weeks
Per week
120 min
Temperature
27–29.8 °C
Rounds
6–10
% of max heart rate
60–85.5% of max
Sets
8
Intensity
Mixed
Format
Individual
Supervision
Instructor-led

Courses and single sessions · 61 repeated-course and 20 single-session protocols

76% of the corpus contributed

Continuous Moderate Swim

Beginner8/1030–60 min · 3 times a week

30–60 min · 3 times a week

Editorial
How often
3 times a week
Intensity
Moderate
Time of day
Any time
Where
Indoors or outdoors
Research depth
Minimal

Choose a pace that raises your breathing but still lets you hold a conversation (Borg RPE 12-14). If you need a pause, rest at the wall for 15-30 seconds, then resume; steady underwater exhalation and a neutral head position help maintain form.

No equipment needed.

How it's done6 steps · 3 cues · 3 common mistakes

A general description of the practice, not instruction or medical advice.

Steps

  1. Enter the water and spend 5-10 minutes warming up with gentle swimming or water walking.
  2. Select a stroke you can maintain comfortably, such as front crawl or breaststroke.
  3. Swim continuously at a pace where your breathing is elevated but you could still hold a conversation (Borg RPE 12-14).
  4. Focus on maintaining a steady rhythm and consistent pace for the duration of the main set.
  5. If you need to rest, pause at the wall for 15-30 seconds, then resume swimming.
  6. Finish with 5-10 minutes of very easy swimming or floating to cool down.

Cues

  • · Exhale steadily into the water between breaths.
  • · Keep your head in a neutral position, looking straight down.
  • · Rotate your body along the long axis with each stroke.

Common mistakes

  • Starting too fast and fatiguing early.
  • Holding the breath instead of exhaling continuously underwater.
  • Lifting the head to look forward, which drops the hips and increases drag.

Aquatic Therapy Swim

Beginner7/10supervision recommended30–60 min · 3 times a week

30–60 min · 3 times a week

From studies
How often*
3 times a week
Intensity
Low
Time of day
Any time
Where
Indoors
Research depth
Extensive

Keep movements slow and within a pain-free range; water walking or gentle leg lifts can replace swimming if strokes are uncomfortable. The directions suggest a warm pool (ideally 30-34°C) and stopping for sharp pain or dizziness.

No equipment needed.

As studied

26 protocolsEstimated

The protocol the studies of this variation actually used.

20–60 min · 2.5×/week

Course
12 weeks
Per week
120 min
Temperature
30 °C
Supervision
Instructor-led

A repeated course

Derived from3239496434439716349947943515995335327038+21 more in Sources

How it's done7 steps · 3 cues · 3 common mistakes

A general description of the practice, not instruction or medical advice.

Steps

  1. Enter a warm pool (ideally 30-34°C) and spend 10 minutes walking and stretching gently in the water.
  2. Perform slow, controlled swimming strokes, focusing on full range of motion without pain.
  3. Incorporate water walking or gentle leg lifts if swimming is uncomfortable.
  4. Use a flotation belt or noodle for support if needed to maintain proper alignment.
  5. Keep intensity very low; you should be able to breathe easily and talk throughout.
  6. Stop and rest at the wall if you feel any sharp pain or dizziness.
  7. Finish with 5 minutes of gentle floating and deep breathing.

Cues

  • · Move through the water with slow, deliberate motions.
  • · Focus on lengthening your body with each stroke.
  • · Listen to your body and never push into pain.

Common mistakes

  • Moving too quickly or forcefully, which can aggravate joints.
  • Using poor posture or an arched back during water walking.
  • Staying in the water too long and becoming chilled.
Studied protocols30 on file
  • 60 min· 2×/week· 4 weeks· n=9· A repeated coursePMID 32394964
  • 60 min· 2×/week· 12 weeks· n=113· A repeated coursePMID 34994794
  • 45 min· 2×/week· 28 weeks· n=102· A repeated coursePMID 35329066
  • 45 min· 2×/week· 12 weeks· n=43· A repeated coursePMID 37239598
  • 60 min· 2×/week· 6 weeks· n=28· A repeated coursePMID 37400496
  • 60 min· 2×/week· 10 weeks· n=34· A repeated coursePMID 38110922

Showing 6 of 30 — the rest are in Sources

High-Intensity Interval Swim

Intermediate7/1030–50 min · 3 times a week

30–50 min · 3 times a week

From studies
How often*
3 times a week
Intensity
High
Time of day
Any time
Where
Indoors or outdoors
Research depth
Moderate

The work intervals are intended to reach 80-90% of your maximum effort, followed by very slow swimming or floating for an equal or double the work interval. This format targets cardiovascular power, speed, and metabolic conditioning; taking enough recovery helps prevent speed and form from dropping.

No equipment needed.

not for children,caution for older adults

As studied

5 protocolsMeasured

The protocol the studies of this variation actually used.

30 min · 2.5×/week

Course
6 weeks
Per week
90 min
Intensity
High
Supervision
Instructor-led

Courses and single sessions · 4 repeated-course and 1 single-session protocols

Derived from3944871739545180410482204106864041667602

How it's done6 steps · 3 cues · 3 common mistakes

A general description of the practice, not instruction or medical advice.

Steps

  1. Warm up with 10 minutes of easy swimming, mixing strokes.
  2. Swim one length or a set distance at 80-90% of your maximum effort.
  3. Recover by swimming very slowly or floating for an equal or double the duration of the work interval.
  4. Repeat the work-and-recovery cycle for 10-20 minutes.
  5. Use a pace clock or waterproof timer to keep intervals consistent.
  6. Cool down with 5-10 minutes of gentle swimming.

Cues

  • · Maintain long, strong strokes even when fatigued.
  • · Focus on a powerful kick during the high-intensity bursts.
  • · Use the recovery interval to control your breathing and prepare for the next effort.

Common mistakes

  • Pacing the high-intensity intervals too conservatively.
  • Not taking enough rest, causing a drop in speed and form.
  • Neglecting the warm-up, which increases injury risk.
Studied protocols5 on file

Combined Dry-Land and Swim

Advanced6/1060–90 min · 3 times a week

60–90 min · 3 times a week

Editorial
How often
3 times a week
Intensity
High
Time of day
Split through the day
Where
Indoors or outdoors
Research depth
Moderate

This session pairs 20-30 minutes of dry-land exercises with a 20-30 minute power-focused swim, such as short sprints or swimming with hand paddles. The transition is meant to carry the power work into a strong, propulsive stroke; a long break between land and pool work can let muscles cool down.

Equipment: resistance bands, medicine ball

not for children,caution for older adults

As studied

5 protocolsMeasured

The protocol the studies of this variation actually used.

60–90 min

Course
16 weeks
Temperature
26–32 °C
% of max heart rate
60–75% of max
Intensity
Mixed
Format
Group
Supervision
Instructor-led

A repeated course

Derived from4040622940678098414162114225355942359150

How it's done6 steps · 3 cues · 3 common mistakes

A general description of the practice, not instruction or medical advice.

Steps

  1. Begin with a 10-minute dynamic warm-up on land, including arm circles, leg swings, and torso twists.
  2. Perform 20-30 minutes of dry-land exercises: resistance band pull-aparts, medicine ball slams, and bodyweight squats.
  3. Transition to the pool and warm up with 5-10 minutes of easy swimming.
  4. Complete a 20-30 minute main swim set focusing on power, such as short sprints or swimming with hand paddles.
  5. Focus on transferring the power generated on land into a strong, propulsive stroke.
  6. Cool down with 10 minutes of easy swimming and static stretching on the pool deck.

Cues

  • · Engage your core during all dry-land movements.
  • · Visualize a powerful, explosive pull when you transition to the water.
  • · Maintain proper form even as you fatigue.

Common mistakes

  • Using too much weight or resistance on land, compromising form.
  • Allowing too much time between the dry-land and swim portions, causing the muscles to cool down.
  • Neglecting the swim-specific cool-down after an intense combined session.
Studied protocols7 on file
  • 60 min· 3×/week· 10 weeks· 32 °C· n=32· A repeated coursePMID 40678098
  • 90 min· 2×/week· 10 weeks· 26–28 °C· n=42· A repeated coursePMID 42253559
  • 90 min· 3×/week· 16 weeks· 60–75% of max· n=120· A repeated coursePMID 42359150
  • 70 min· 4×/week· n=28· A repeated coursePMID 40406229
  • 70 min· 4×/week· n=14· A repeated coursePMID 41416211
  • n=334· Single sessionsPMID 35980952

Showing 6 of 7 — the rest are in Sources

Technique-Focused Drills

Intermediate6/1030–60 min · 2 times a week

30–60 min · 2 times a week

Editorial
How often
2 times a week
Intensity
Low
Time of day
Any time
Where
Indoors or outdoors
Research depth
Minimal

Rather than swimming continuously, this session isolates parts of the stroke with kickboard, pull-buoy, and catch-up drills. Bilateral breathing can be practiced by taking a breath every 3 or 5 strokes, with relaxed swimming at the end to focus on the technique.

Equipment: kickboard, pull buoy

How it's done7 steps · 3 cues · 3 common mistakes

A general description of the practice, not instruction or medical advice.

Steps

  1. Warm up with 5-10 minutes of easy, mixed-stroke swimming.
  2. Practice kicking with a kickboard for 2-4 lengths, focusing on a steady flutter kick originating from the hips.
  3. Use a pull buoy between your legs to isolate your arm stroke for 2-4 lengths, concentrating on a high elbow catch.
  4. Perform a 'catch-up' drill: keep one arm extended forward until the other arm completes a full stroke and 'catches up' to it.
  5. Swim a length focusing on bilateral breathing, taking a breath every 3 or 5 strokes.
  6. Repeat the drill sequence 2-3 times, resting as needed between sets.
  7. Cool down with 100-200 meters of relaxed swimming, focusing on the new technique.

Cues

  • · Press your chest down slightly to keep your hips high.
  • · Finish each stroke by brushing your thumb past your thigh.
  • · Rotate from your core, not just your shoulders.

Common mistakes

  • Kicking from the knees with a bicycle motion instead of from the hips.
  • Dropping the elbow during the underwater pull phase.
  • Holding the kickboard with straight arms, which causes the upper body to rise.
Studied protocols1 on file

How to start

Community experience

Based on 242 public posts from Reddit, YouTube, Hacker News, Phoenix Rising, and Bluesky.

Signal found52 signals5 platforms
Reddit 178YouTube 24Hacker News 15Phoenix Rising 13Bluesky 12

What people report it did

11 outcomes mentioned across 242 public reports. A report often mentions several, so these counts do not add up to the total.

Reported side effects1

What people report doing

Counted from public posts and videos, not from a survey. Each figure counts the posts that mentioned it — most reports say nothing about schedule.

How often2 mentions

Daily2

Where7 mentions

Outdoors5At home2

When2 mentions

Morning2

Session lengthas written

“1 hour”

How long they've practisedas written

“every summer as a child”

References

195 screened · 129 analysed · 131 listed below

Studies and sources cited on this page. Evidence quality varies — check the grade on each.

  1. The dose-effect relationship of aquatic exercise in improving physical function in older adults.BMC Sports Sci Med Rehabil2026Meta-analysisAn=1179
  2. Comparing the effectiveness of different exercise interventions on quality of life in stroke patients: a randomized controlled network meta-analysis.BMC Neurol2025Meta-analysisAn=2578
  3. Basic swimming or water safety skills training for drowning prevention in children: an updated systematic review.Front Public Health2025Systematic reviewA
  4. Comparative effectiveness of physical training modalities on swimming performance: a two-tier network meta-analysis.Front Physiol2025Meta-analysisAn=844
  5. Optimal dose of aquatic exercise for improving muscle strength in older adults: a Bayesian model-based meta-analysis.Front Public Health2025Meta-analysisAn=531
  6. Effects of different exercise modalities on balance performance in healthy older adults: a systematic review and network meta-analysis of randomized controlled trials.BMC Geriatr2025Meta-analysisAn=5114
  7. The effect of physical activity on vitamin D: A systematic review and meta-analysis of intervention studies in humans.Public Health Pract (Oxf)2024Meta-analysisA
  8. Effects of Different Aerobic Exercises on Blood Lipid Levels in Middle-Aged and Elderly People: A Systematic Review and Bayesian Network Meta-Analysis Based on Randomized Controlled Trials.Healthcare (Basel)2024Meta-analysisAn=487
  9. Effects of aquatic exercise on the improvement of lower-extremity motor function and quality of life in patients with Parkinson's disease: A meta-analysis.Front Physiol2023Meta-analysisAn=298
  10. Effects of different physical activity interventions on children with attention-deficit/hyperactivity disorder: A network meta-analysis of randomized controlled trials.Front Neurosci2023Meta-analysisA
Show all 131 references

    Diatelos provides general wellness information based on published research. It is not medical advice. Talk to a clinician before starting any new supplement or practice, especially if you have a health condition, are pregnant, or take medication.