Document Detail


Oral carbohydrate rinse: placebo or beneficial?
MedLine Citation:
PMID:  23851408     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
Carbohydrates during exercise can improve exercise performance even when the exercise intensity is high (>75% V˙O2max) and the duration relatively short (approximately 1 h), but the underlying mechanisms for the ergogenic effects are different from those during more prolonged exercise. Studies have even shown effects of oral carbohydrate mouth rinses compared to placebo with improvements typically between 2% and 3% during exercise lasting approximately 1 h. The effects appear more profound after an overnight fast, but effects are still present even after ingestion of a meal. Brain imaging studies have identified brain areas involved, and it is likely that the oral carbohydrate mouth rinse results in afferent signals capable of modifying motor output. These effects appear to be specific to carbohydrate and are independent of taste. Further research is warranted to fully understand the separate taste transduction pathways for various carbohydrates as well as the practical implications.
Authors:
Asker E Jeukendrup
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Current sports medicine reports     Volume:  12     ISSN:  1537-8918     ISO Abbreviation:  Curr Sports Med Rep     Publication Date:    2013 Jul-Aug
Date Detail:
Created Date:  2013-07-15     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101134380     Medline TA:  Curr Sports Med Rep     Country:  United States    
Other Details:
Languages:  eng     Pagination:  222-7     Citation Subset:  IM    
Affiliation:
Gatorade Sports Science Institute, Barrington, IL; and School of Sport and Exercise Sciences, University of Birmingham, Birmingham, England, United Kingdom.
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