European Journal of Sport Science: Video Abstract

Caffeine ingestion acutely enhances muscular strength and power but not muscular endurance in resistance-trained men
Jozo Grgic & Pavle Mikulic, 2017

DOI: 10.1080/17461391.2017.1330362
@PavleMikulic @EurJSportSci

Please watch the video here.

Video transcript start:

Hi everyone and thank you for your interest in a paper recently published in the European Journal of Sport Science. I am Pavle Mikulic, the co-author of this paper.

In this study we investigated how caffeine consumption affects muscular strength, power, muscular endurance, pain perception and rate of perceived exertion (RPE). We recruited 17 resistant trained men to perform two training sessions. One was a caffeine trial and the other a placebo trail with each session being randomised and double blinded.

The results indicated that caffeine consumption increases lower body strength, specifically by around 3%. These increases in strength were accompanied by reduced rate of perceived exertion. Also upper body power increased with caffeine consumption by around 4%.

Collectively these results indicate that resistant trained individuals might consider supplementing with caffeine for strength and power enhancement.

Note that the dose of caffeine we used in this study was quite high. Our participants ingested 6mg of caffeine per kg of body mass and the individual responses in terms of performance varied widely. Some participants had robust increases in performance with caffeine consumption while others actually performed worse.

On a final note, due to this individual variation in responses to caffeine consumption, supplementing with caffeine should be considered and adjusted on a case by case basis. 

Video transcript end.

 

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