Improved 2000-meter rowing performance in competitive oarswomen after caffeine ingestion

Anderson, Megan E., Bruce, Clinton R., Fraser, Steve F., Stepto, Nigel K., Klein, Rudi, Hopkins, Will G. and Hawley, John A. 2000, Improved 2000-meter rowing performance in competitive oarswomen after caffeine ingestion, International journal of sport nutrition and exercise metabolism, vol. 10, no. 4, pp. 464-475.

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Title Improved 2000-meter rowing performance in competitive oarswomen after caffeine ingestion
Author(s) Anderson, Megan E.
Bruce, Clinton R.ORCID iD for Bruce, Clinton R.
Fraser, Steve F.ORCID iD for Fraser, Steve F.
Stepto, Nigel K.
Klein, Rudi
Hopkins, Will G.
Hawley, John A.
Journal name International journal of sport nutrition and exercise metabolism
Volume number 10
Issue number 4
Start page 464
End page 475
Total pages 12
Publisher Human Kinetics, Inc.
Place of publication Champaign, IL
Publication date 2000
ISSN 1526-484X
Keyword(s) Dose-response
Summary Eight competitive oarswomen (age, 22 ± 3 years; mass, 64.4 ± 3.8 kg) performed three simulated 2,000-m time trials on a rowing ergometer. The trials, which were preceded by a 24-hour dietary and training control and 72 hours of caffeine abstinence, were conducted 1 hour after ingesting caffeine (6 or 9 mg · kg-1 body mass) or placebo. Plasma free fatty acid concentrations before exercise were higher with caffeine than placebo (0.67 ± 0.34 vs. 0.72 ± 0.36 vs. 0.30 ± 0.10 mM for 6 and 9 mg · kg-1caffeine and placebo, respectively; p < .05). Performance time improved 0.7% (95% confidence interval [CI] 0 to 1.5%) with 6 mg · kg-1 caffeine and 1.3% (95% CI 0.5 to 2.0%) with 9 mg · kg-1 caffeine. The first 500 m of the 2,000 m was faster with the higher caffeine dose compared with placebo or the lower dose (1.53 ± 0.52 vs. 1.55 ± 0.62 and 1.56 ± 0.43 min; p = .02). We concluded that caffeine produces a worthwhile enhancement of performance in a controlled laboratory setting, primarily by improving the first 500 m of a 2,000-m row.
Language eng
Field of Research 029999 Physical Sciences not elsewhere classified
Socio Economic Objective 970102 Expanding Knowledge in the Physical Sciences
HERDC Research category C1.1 Refereed article in a scholarly journal
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Document type: Journal Article
Collections: Faculty of Health
School of Exercise and Nutrition Sciences
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