Mental fatigue does not alter performance or neuromuscular fatigue development during self-paced exercise in recreationally trained cyclists

European Journal of Applied Physiology
Marcos David Silva-CavalcanteRomulo Bertuzzi

Abstract

The purpose of this study was to investigate the effects of mental fatigue, characterized by a subjective feeling of tiredness, on the development of neuromuscular fatigue during a 4-km cycling time trial (4-km TT). Eight recreationally trained male cyclists performed a 4-km TT after either performing a prolonged cognitive task (mental fatigue) or after viewing emotionally neutral documentaries (control). The neuromuscular function of the knee extensors was assessed using electrical nerve stimulation at baseline, before (pre-TT), and after (post-TT) the 4-km TT. Rating of perceived exertion (RPE) and physiological variables were periodically measured during 4-km TT. Subjective ratings of fatigue increased significantly only after a prolonged cognitive task (P = 0.022). Neuromuscular function at baseline was similar between conditions and remained unchanged at pre-TT. Time to complete the 4-km TT was similar between control (376 ± 27 s) and mental fatigue (376 ± 26 s). There was no significant difference between conditions for RPE, [Formula: see text], [Formula: see text], and HR throughout the exercise. The 4-km TT-induced similar decrease (from baseline to post-TT) in maximal voluntary contraction (mental fatigue - 11 ± 10%, c...Continue Reading

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Citations

Sep 12, 2019·Journal of Sport & Exercise Psychology·Kristy MartinBen Rattray
Aug 14, 2019·Medicine and Science in Sports and Exercise·Jeroen VAN CutsemRomain Meeusen
Mar 27, 2019·Medicine and Science in Sports and Exercise·Clare MacmahonLinda Schücker
Jun 11, 2020·European Journal of Sport Science·Darías HolgadoDaniel Sanabria
Jul 19, 2019·Journal of Applied Physiology·Rafael de Almeida AzevedoRomulo Bertuzzi
Sep 16, 2020·Research Quarterly for Exercise and Sport·Leonardo S FortesFabiano S Fonseca
Apr 17, 2020·Frontiers in Integrative Neuroscience·Katie L Kowalski, Christie Anita D
Jan 4, 2021·European Journal of Applied Physiology·Rafael de Almeida AzevedoRomulo Bertuzzi
Jan 14, 2021·International Journal of Sports Medicine·Leonardo de Sousa FortesMaria Elisa Caputo Ferreira
Dec 11, 2020·Medicine and Science in Sports and Exercise·Rafael A AzevedoGuillaume Y Millet
Apr 1, 2021·American Journal of Physiology. Regulatory, Integrative and Comparative Physiology·Rafael de Almeida AzevedoRomulo Bertuzzi
Dec 29, 2021·Applied Neuropsychology. Adult·Leonardo Sousa FortesMaria Elisa Caputo Ferreira

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