JOURNAL OF SPORTS SCIENCE & MEDICINE
http://www.jssm.org
  

Research article  


THE INFLUENCE OF FLUID INGESTION ON PERFORMANCE OF SOCCER PLAYERS DURING A MATCH


Isabela Guerra1, Rodrigo Chaves2, Turibio Barros3 and Julio Tirapegui4


1Human Nutrition, Postgraduate Course - PRONUT, University of São Paulo, Brazil
2Rehabilitation Program, Postgraduate Course, State University of São Paulo, Brazil
3Department of Physiology, State University of São Paulo, Brazil
4Department of Nutrition, School of Science and Pharmacology, University of São Paulo,  Brazil
Received   31 March 2004
Accepted   26 August 2004
Published   01 Decemer 2004

© Journal of Sports Science and Medicine (2004) 3, 198-202
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ABSTRACT
The purpose of this study was to verify the effects of a carbohydrate-electrolyte drink on soccer performance. Twenty soccer players volunteered to participate in the study. Players were allocated to two assigned trials according to their positional roles in the team: CHO group (ingesting a 6% carbohydrate-electrolyte solution at regular 15 minutes intervals) and NCHO (ingesting no fluid) during 75 min on-field soccer game. During the trials, body mass loss, heart rate, time spent running, number of sprints and core temperature were measured. There were statistically significant changes (p < 0.05) in body mass loss (CHO: 1.14 ± 0.37 kg vs. NCHO: 1.75 ± 0.47 kg) and number of sprints performed (CHO: 14.70 ± 4.38 vs. NCHO: 10.70 ± 5.80) between groups. The main finding of the present study indicates that supplementation with a carbohydrate-electrolyte drink during a soccer match is beneficial in helping to prevent deterioration in performance.

KEY WORDS: Sports drink, carbohydrate, soccer performance, heart rate, core temperature.
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