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(a) Heart rate (HR; bpm) and (b) rate of perceived exertion (RPE; 1–10) compared between placebo (PL; grey bars) and yohimbine (YHM; green bars). Data are shown as the mean ± SD. Measurements are shown for WAnT1, WAnT2, WAnT3, and the average of all three tests together (AVG) for each condition. * indicates significantly different from WAnT1 (p < 0.05). # indicates significantly different from WAnT2 (p < 0.05). † indicates significantly different from PL (p < 0.05).
