| Effects of caffeine on anaerobic exercise in boys. | |
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MedLine Citation:
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PMID: 22728413 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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The effects of caffeine on anaerobic exercise in young boys was investigated. Twenty-four healthy 8-10 year old boys participated in a randomized double-blind, double-crossover, counter-balanced study. Each subject received the caffeinated drink (CAF-5 mg · kg-1) or placebo (PL) twice each on four separate visits. Sixty minutes following ingestion of either CAF or PL boys performed a static hand-grip test and then a Wingate test. Reliability was moderately high for the Wingate test (R = .70-0.95). Hand-grip reliability was higher for CAF (R = .88) than PL (R = .52). Mean power (180 ± 36 vs 173 ± 28 W) was significantly higher (p < .05) in CAF versus PL, respectively. There were no differences in peak power or static hand-grip maximal voluntary contraction with CAF. Further, peak HR (190 ± 10 vs 185 ± 10 beats · min-1) was significantly higher in CAF versus PL, respectively. Thus, in this study a moderately high dose of CAF significantly increased the average power during a Wingate test, yet it does not affect peak power or static hand-grip strength. |
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Authors:
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Kenneth R Turley; Joey D Rivas; Jeremey R Townsend; Aaron B Morton; Jason W Kosarek; Mark G Cullum |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Pediatric exercise science Volume: 24 ISSN: 1543-2920 ISO Abbreviation: Pediatr Exerc Sci Publication Date: 2012 May |
Date Detail:
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Created Date: 2012-06-25 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8909729 Medline TA: Pediatr Exerc Sci Country: United States |
Other Details:
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Languages: eng Pagination: 210-9 Citation Subset: IM |
Affiliation:
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Human Performance Laboratory, Dept. of Exercise and Sport Sciences, Harding University, Searcy, AR. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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