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Hydration during Intense Exercise Training.
MedLine Citation:
PMID:  23899752     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Hydration status has profound effects on both physical and mental performance, and sports performance is thus critically affected. Both overhydration and underhydration - if sufficiently severe - will impair performance and pose a risk to health. Athletes may begin exercise in a hypohydrated state as a result of incomplete recovery from water loss induced in order to achieve a specific body mass target or due to incomplete recovery from a previous competition or training session. Dehydration will also develop in endurance exercise where fluid intake does not match water loss. The focus has generally been on training rather than on competition, but sweat loss and fluid replacement in training may have important implications. Hypohydration may impair training quality and may also increase stress levels. It is unclear whether this will have negative effects (reduced training quality, impaired immunity) or whether it will promote a greater adaptive response. Hypohydration and the consequent hyperthermia, however, can enhance the effectiveness of a heat acclimation program, resulting in improved endurance performance in warm and temperate environments. Drinking in training may be important in enhancing tolerance of the gut when athletes plan to drink in competition. The distribution of water between body water compartments may also be important in the initiation and promotion of cellular adaptations to the training stimulus. Copyright © 2013 Nestec Ltd., Vevey/S. Karger AG, Basel.
Authors:
R J Maughan; N L Meyer
Publication Detail:
Type:  Journal Article     Date:  2013-07-25
Journal Detail:
Title:  Nestlé Nutrition Institute workshop series     Volume:  76     ISSN:  1664-2155     ISO Abbreviation:  Nestle Nutr Inst Workshop Ser     Publication Date:  2013  
Date Detail:
Created Date:  2013-07-31     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101577268     Medline TA:  Nestle Nutr Inst Workshop Ser     Country:  Switzerland    
Other Details:
Languages:  eng     Pagination:  25-37     Citation Subset:  IM    
Affiliation:
Loughborough University, Loughborough, UK.
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