Coffee and Caffeine Ingestion Have Little Effect on Repeated Sprint Cycling in Relatively Untrained Males
AbstractThe 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;
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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.
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(3):45.Chicago/Turabian Style
Clarke, Neil; Baxter, Harry; Fajemilua, Emmanuel; Jones, Victoria; Oxford, Samuel; Richardson, Darren; Wyatt, Charlotte; Mundy, Peter. 2016. "Coffee and Caffeine Ingestion Have Little Effect on Repeated Sprint Cycling in Relatively Untrained Males." Sports 4, no. 3: 45.