No effect of nutritional adenosine receptor antagonists on exercise performance in the heat
Cheuvront SN, Ely BR, Kenefick RW
Published in American Journal of Physiology - Regulatory, Integrative and Comparative Physiology
Methodology
Double-blinded placebo-controlled crossover trial of caffeine 9 mg/kg or quercetin 2000 mg in 10 men cycling in 40 degrees C heat
Key Findings
No treatment effects were observed for any physiological or perceptual measures, including motivation and ratings of perceived exertion
Conclusions
Effort perception and motivation benefits from stimulants do not carry over into heat stress
Limitations
Ten participants; single environmental condition
Outcomes Measured
No treatment effects were observed for any physiological or perceptual measures, with the exception of elevated rectal body temperatures
Study Details
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