Document Detail


Development of hydration strategies to optimize performance for athletes in high-intensity sports and in sports with repeated intense efforts.
MedLine Citation:
PMID:  20840563     Owner:  NLM     Status:  In-Process    
Abstract/OtherAbstract:
Hypohydration - if sufficiently severe - adversely affects athletic performance and poses a risk to health. Strength and power events are generally less affected than endurance events, but performance in team sports that involve repeated intense efforts will be impaired. Mild hypohydration is not harmful, but many athletes begin exercise already hypohydrated. Athletes are encouraged to begin exercise well hydrated and - where opportunities exist - to consume fluid during exercise to limit water and salt deficits. In high-intensity efforts, there is no need, and may be no opportunity, to drink during competition. Most team sports players do not drink enough to match sweat losses, but some drink too much and a few may develop hyponatremia because of excessive fluid intake. Athletes should assess their hydration status and develop a personalized hydration strategy that takes account of exercise, environment and individual needs. Pre-exercise hydration status can be assessed from urine markers. Short-term changes in hydration can be estimated from the change in body mass. Sweat salt losses can be determined by collection and analysis of sweat samples. An appropriate drinking strategy will take account of pre-exercise hydration status and of fluid, electrolyte and substrate needs before, during and after exercise.
Authors:
R J Maughan; S M Shirreffs
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Scandinavian journal of medicine & science in sports     Volume:  20 Suppl 2     ISSN:  1600-0838     ISO Abbreviation:  Scand J Med Sci Sports     Publication Date:  2010 Oct 
Date Detail:
Created Date:  2010-09-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9111504     Medline TA:  Scand J Med Sci Sports     Country:  Denmark    
Other Details:
Languages:  eng     Pagination:  59-69     Citation Subset:  IM    
Copyright Information:
© 2010 John Wiley & Sons A/S.
Affiliation:
School of Sport, Exercise and Health Sciences, Loughborough University, Loughborough, UK. r.maughan@lboro.ac.uk
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