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Similar ergogenic effect of caffeine on anaerobic performance in men and women athletes
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Similar ergogenic effect of caffeine on anaerobic performance in men and women athletes
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Similar ergogenic effect of caffeine on anaerobic performance in men and women athletes
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Journal Article
Similar ergogenic effect of caffeine on anaerobic performance in men and women athletes
2021
Overview
Purpose
Caffeine is widely considered an ergogenic aid to increase anaerobic performance although most of this evidence is supported by investigations with only male samples. To date, it is unknown if the ergogenic effect of caffeine on anaerobic performance is of similar magnitude in men and women athletes. The aim of this study was to determine the magnitude of the ergogenic effect of caffeine on the Wingate test in men and women.
Methods
In a double-blind, placebo-controlled, cross-over experimental trial, ten women athletes and ten men athletes performed a 15-s adapted version of the Wingate test after ingesting 3 mg of caffeine per kg of body mass or a placebo (cellulose).
Results
In comparison to the performance obtained in the 15-s Wingate test with a placebo, caffeine increased peak power in men (9.9 ± 0.8 vs. 10.1 ± 0.8 W/kg,
p
< 0.01,
d
= 0.26) and in women (8.8 ± 0.9 vs. 9.1 ± 0.8 W/kg,
p
= 0.04,
d
= 0.30). Caffeine was also effective to increase the mean power in men (8.9 ± 0.7 vs. 9.0 ± 0.7 W/kg,
p
= 0.01,
d
= 0.21) and women (8.1 ± 0.7 vs. 8.3 ± 0.7 W/kg,
p
= 0.01,
d
= 0.27). The ergogenic effect of caffeine on the 15-s Wingate peak power (2.3 ± 3.2% in men and 3.2 ± 2.8% in women;
p
= 0.46) and mean power (2.0 ± 1.7% and 2.4 ± 2.3%, respectively;
p
= 0.93) was of similar magnitude in both sexes.
Conclusion
Acute ingestion of 3 mg kg
−1
of caffeine enhanced peak and mean cycling power during a 15-s adapted version of the Wingate test in men and women and the ergogenic effect was of similar magnitude in both sexes. This information suggests that both men and women athletes might obtain similar benefits from caffeine supplementation during anaerobic exercise.
