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Open AccessArticle

Acute Caffeine Intake Enhances Mean Power Output and Bar Velocity during the Bench Press Throw in Athletes Habituated to Caffeine

1
Institute of Sport Sciences, The Jerzy Kukuczka Academy of Physical Education, 40-065 Katowice, Poland
2
Centre for Sport Studies, Rey Juan Carlos University, 28942 Fuenlabrada, Spain
*
Author to whom correspondence should be addressed.
Nutrients 2020, 12(2), 406; https://doi.org/10.3390/nu12020406
Received: 3 January 2020 / Revised: 30 January 2020 / Accepted: 3 February 2020 / Published: 4 February 2020
(This article belongs to the Special Issue Coffee and Caffeine Consumption for Human Health)
Background: The main objective of the current investigation was to evaluate the effects of caffeine on power output and bar velocity during an explosive bench press throw in athletes habituated to caffeine. Methods: Twelve resistance trained individuals habituated to caffeine ingestion participated in a randomized double-blind experimental design. Each participant performed three identical experimental sessions 60 min after the intake of a placebo, 3, and 6 mg/kg/b.m. of caffeine. In each experimental session, the participants performed 5 sets of 2 repetitions of the bench press throw (with a load equivalent to 30% repetition maximum (RM), measured in a familiarization trial) on a Smith machine, while bar velocity and power output were registered with a rotatory encoder. Results: In comparison to the placebo, the intake of caffeine increased mean bar velocity during 5 sets of the bench press throw (1.37 ± 0.05 vs. 1.41 ± 0.05 and 1.41 ± 0.06 m/s for placebo, 3, and 6 mg/kg/b.m., respectively; p < 0.01), as well as mean power output (545 ± 117 vs. 562 ± 118 and 560 ± 107 W; p < 0.01). However, caffeine was not effective at increasing peak velocity (p = 0.09) nor peak power output (p = 0.07) during the explosive exercise. Conclusion: The acute doses of caffeine before resistance exercise may increase mean power output and mean bar velocity during the bench press throw training session in a group of habitual caffeine users. Thus, caffeine prior to ballistic exercises enhances performance during a power-specific resistance training session. View Full-Text
Keywords: ballistic exercise; upper limbs; resistance exercise; ergogenic substances; sport performance ballistic exercise; upper limbs; resistance exercise; ergogenic substances; sport performance
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Wilk, M.; Filip, A.; Krzysztofik, M.; Gepfert, M.; Zajac, A.; Del Coso, J. Acute Caffeine Intake Enhances Mean Power Output and Bar Velocity during the Bench Press Throw in Athletes Habituated to Caffeine. Nutrients 2020, 12, 406.

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