Effect of prior mental exertion on power output during the 20-min time trial in professional (n = 10) and recreational (n = 9) road cyclists.
§§ Significant group x condition x time interaction (p < 0.05). # Significant main effect of time in recreational cyclists (p < 0.05). * Significant main effect of condition in recreational cyclists (p < 0.05). Data are presented as mean ± SEM.