Time Course and Magnitude of Tolerance to the Ergogenic Effect of Caffeine on the Second Ventilatory Threshold.

Life (Basel) · 2020 · PMC7764462 · PMID 33321978

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did not reach statistical significanceno p-value reported

For heart rate obtained at VT 2 , there was a main effect of substance ( p < 0.01), while the overall effect of time ( p = 0.13) and the interaction ( p = 0.22) did not reach statistical significance.

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