Cited by 54Thermoregulation and physiological responsesSports Performance and TrainingExercise and Physiological Responses

The Effect of Fluid Intake Following Dehydration on Subsequent Athletic and Cognitive Performance: a Systematic Review and Meta-analysis

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McCartney, Danielle, Desbrow, Ben, Irwin, Christopher·2017·Sports Medicine - Open

Abstract

The deleterious effects of dehydration on athletic and cognitive performance have been well documented. As such, dehydrated individuals are advised to consume fluid in volumes equivalent to 1.25 to 1.5 L kg −1 body mass (BM) lost to restore body water content. However, individuals undertaking subsequent activity may have limited time to consume fluid. Within this context, the impact of fluid intake practices is unclear. This systematic review investigated the effect of fluid consumption following a period of dehydration on subsequent athletic and cognitive performance. PubMed (MEDLINE), Web of Science (via Thomas Reuters) and Scopus databases were searched for articles reporting on athletic (categorized as: continuous , intermittent, resistance , sport-specific and balance exercise) or cognitive performance following dehydration of participants under control (no fluid) and intervention (fluid intake) conditions. Meta-analytic procedures determined intervention efficacy for continuous exercise performance. Sixty-four trials ( n = 643 participants) derived from 42 publications were reviewed. Dehydration decreased BM by 1.3–4.2%, and fluid intake was equivalent to 0.4–1.55 L kg −1 BM lost. Fluid intake significantly improved continuous exercise performance (22 trials), Hedges’ g = 0.46, 95% CI 0.32, 0.61. Improvement was greatest when exercise was performed in hotter environments and over longer durations. The volume or timing of fluid consumption did not influence the magnitude of this effect. Evidence indicating a benefit of fluid intake on intermittent (10 trials), resistance (9 trials), sport-specific (6 trials) and balance (2 trials) exercise and on cognitive performance (15 trials) was less apparent and requires further elucidation. Fluid consumption following dehydration may improve continuous exercise performance under heat stress conditions, even when the body water deficit is modest and fluid intake is inadequate for complete rehydration.

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  • Rehydration strategies between exercise bouts recommend that athletes drink fluids equivalent to 125-150% of their body mass lost during exercise.

    “rehydration strategies between exercise bouts recommend that athletes drink fluids equivalent to 125–150% of their body mass lost during exercise [107, 108]”

    From Nutritional Strategies to Improve Post-exercise Recovery and Subsequent Exercise Performance: A Narrative Review (2025) · cites this paper as [107]

    The Background reports a recommendation of 1.25–1.50 L per kilogram of body mass lost, equivalent to 125–150% of the loss. It limits that recommendation to cases where the fluid deficit is large and recovery time is short (<12 hours); the citing sentence omits those conditions. (LLM, conf=0.86)

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2 of the 90 references couldn’t be matched to a known paper.

Research works printed but not linked: 1

  1. [32]Higgins JP, Green S. Cochrane handbook for systematic reviews of interventions. Wiley online library. 2008

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Authors
McCartney, D., Desbrow, B., & Irwin, C.
Affiliations
Griffith University (AU)
Corresponding author
McCartney, Danielle
Venue
Sports Medicine - Open
Published
2017-03-18
Volume
3
Issue
1
Pages
13-13
ISSN
  • 2198-9761 (ISSN-L)
  • 2199-1170
OpenAlex
W2596548681
Cited by
54
References
90
Citations by year
2026: 6 · 2025: 7 · 2024: 5 · 2023: 9 · 2022: 3 · 2021: 9 · 2020: 6 · 2019: 4 · 2018: 3 · 2017: 2
FWCI
0.50
Type
journal article
Language
en
Open access
Locations
  • Sports Medicine - Open (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Griffith Research Online (submittedVersion, cc-by)
Topics
  • Health Sciences › Medicine › Physiology › Thermoregulation and physiological responses
  • Health Sciences › Medicine › Orthopedics and Sports Medicine › Sports Performance and Training
  • Health Sciences › Medicine › Rehabilitation › Exercise and Physiological Responses
Keywords
dehydration, fluid intake, rehydration, athletic performance, cognitive performance, continuous exercise, intermittent exercise, resistance training, balance training, heat stress

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