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. 2016 Jul 21;11(7):e0159907. doi: 10.1371/journal.pone.0159907

Fig 5. Effect of prior mental exertion on heart rate during the 20-min time trial in professional (n = 10) and recreational (n = 9) road cyclists.

Fig 5

§ Significant group x time interaction (p < 0.05). # Significant main effects of time in professional and recreational cyclists (p < 0.05). † Significant simple main effects of group (p < 0.05). Data are presented as mean ± SEM.