Fig 1.
Schematic of the experimental protocol.
#—Blood lactate sample. 4DMS—The Four Dimensional Mood Scale. MOT—Rating of motivation related to the time trial. NASA-TLX—The National Aeronautics and Space Administration Task Load Index. RPE—Rating of perceived exertion.
Fig 2.
Reaction time (A) and accuracy (B) over time during the 30-min Stroop task in professional (n = 11) and recreational (n = 9) road cyclists.
§ Significant group x time interaction (p < 0.05). Data are presented as mean ± SEM.
Fig 3.
Total number of correct responses during the 30-min Stroop task in professional (n = 11) and recreational (n = 9) road cyclists.
* Significant difference between groups (p < 0.05). Data are presented as mean ± SEM.
Fig 4.
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.
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.
§ 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.
Fig 6.
Effect of prior mental exertion on rating of perceived exertion (RPE) during the 20-min time trial in professional (n = 10) and recreational (n = 9) road cyclists.
§ Significant group x time interaction (p < 0.05). # Significant main effects of time in professional and recreational cyclists (p < 0.05). †Simple main effects of group (p < 0.05). Data are presented as mean ± SEM.