Document Detail

Fluid balance of elite female basketball players before and during game play.
MedLine Citation:
PMID:  22807526     Owner:  NLM     Status:  Publisher    
This study determined the fluid balance of elite female basketball players before and during competition. Before and during two international games seventeen national level players (age: 24.2 ± 3 y; height: 180.5 ± 6 cm; mass: 78.8 ± 8 kg) were assessed. Fluid balance assessment included pregame hydration level as determined by urine specific gravity (USG), change in body mass during the game, ad libitum intake of water and/or sports drink, and estimated sweat losses. Mean (± sd) USG prior to game 1 was 1.005 ± 0.002 and before game 2 USG equaled 1.010 ± 0.005. Players lost an average of 0.7 ± 0.8% and 0.6 ± 0.6% of their body mass during games 1 and 2, respectively. In each game, 3 players experienced a fluid deficit > 1% of body mass and one other a fluid deficit > 2%. Sweat losses in both games, from the beginning of the warm-up to the conclusion of the game (~125 min with average playing time 16-17 min), were approximately 1.99 ± 0.75 L. Fluid intake in game 1 and game 2 equaled 77.8 ± 32% and 78.0 ± 21% of sweat losses, respectively. The majority of players were hydrated prior to each game and did not become meaningfully dehydrated during the game. It is possible the players who experienced the highest levels of dehydration also experienced some degree of playing impairment and the negative relationship between change in body mass and shooting percentage in game 2 provides some support for this notion.
Jason P Brandenburg; Michael Gaetz
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-7-4
Journal Detail:
Title:  International journal of sport nutrition and exercise metabolism     Volume:  -     ISSN:  1543-2742     ISO Abbreviation:  -     Publication Date:  2012 Jul 
Date Detail:
Created Date:  2012-7-18     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  100939812     Medline TA:  Int J Sport Nutr Exerc Metab     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Department of Kinesiology and Physical Education, University of the Fraser Valley, Abbotsford, British Columbia, Canada.
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