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Sports 2016, 4(3), 45; doi:10.3390/sports4030045

Coffee and Caffeine Ingestion Have Little Effect on Repeated Sprint Cycling in Relatively Untrained Males

School of Life Sciences, Coventry University, Coventry CV1 5FB, UK
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Author to whom correspondence should be addressed.
Academic Editor: Beat Knechtle
Received: 11 July 2016 / Revised: 22 August 2016 / Accepted: 23 August 2016 / Published: 29 August 2016
(This article belongs to the Special Issue Sport Nutrition for Health and Performance)
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Abstract

The present study investigated the effect of ingesting caffeine-dose-matched anhydrous caffeine or coffee on the performance of repeated sprints. Twelve recreationally active males (mean ± SD age: 22 ± 2 years, height: 1.78 ± 0.07 m, body mass: 81 ± 16 kg) completed eighteen 4 s sprints with 116 s recovery on a cycle ergometer on four separate occasions in a double-blind, randomised, counterbalanced crossover design. Participants ingested either 3 mg·kg−1 of caffeine (CAF), 0.09 g·kg−1 coffee, which provided 3 mg·kg−1 of caffeine (COF), a taste-matched placebo beverage (PLA), or a control condition (CON) 45 min prior to commencing the exercise protocol. Peak and mean power output and rating of perceived exertion (RPE) were recorded for each sprint. There were no significant differences in peak power output (CAF: 949 ± 199 W, COF: 949 ± 174 W, PLA: 971 ± 149 W and CON: 975 ± 170 W; p = 0.872; η P 2 = 0.02) or mean power output (CAF: 873 ± 172 W, COF: 862 ± 44 W, PLA: 887 ± 119 W and CON: 892 ± 143 W; p = 0.819; η P 2 = 0.03) between experimental conditions. Mean RPE was similar for all trials (CAF: 11 ± 2, COF: 11 ± 2, PLA: 11 ± 2 and CON: 11 ± 2; p = 0.927; η P 2 = 0.01). Neither the ingestion of COF or CAF improved repeated sprint cycling performance in relatively untrained males. View Full-Text
Keywords: caffeine; coffee; repeated sprints; cycling caffeine; coffee; repeated sprints; cycling
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MDPI and ACS Style

Clarke, N.; Baxter, H.; Fajemilua, E.; Jones, V.; Oxford, S.; Richardson, D.; Wyatt, C.; Mundy, P. Coffee and Caffeine Ingestion Have Little Effect on Repeated Sprint Cycling in Relatively Untrained Males. Sports 2016, 4, 45.

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