| Title: |
Fatigue Measured in Dynamic Versus Isometric Modes After Trail Running Races of Various Distances. |
| Authors: |
Koral, Jerome; Fanget, Marie; Imbert, Laurianne; Besson, Thibault; Kennouche, Djahid; Parent, Audrey; Foschia, Clément; Rossi, Jérémy; Millet, Guillaume Y. |
| Source: |
International Journal of Sports Physiology & Performance; Jan2022, Vol. 17 Issue 1, p67-77, 11p, 1 Black and White Photograph, 1 Diagram, 3 Charts, 2 Graphs |
| Subject Terms: |
MUSCLE fatigue; LONG-distance running; EXERCISE intensity; DESCRIPTIVE statistics; ATHLETIC ability; COMPARATIVE studies; CONFIDENCE intervals; MUSCLE contraction |
| Abstract: |
Purpose: Fatigue has previously been investigated in trail running by comparing maximal isometric force before and after the race. Isometric contractions may not entirely reflect fatigue-induced changes, and therefore dynamic evaluation is warranted. The aim of the present study was to compare the magnitude of the decrement of maximal isometric force versus maximal power, force, and velocity after trail running races ranging from 40 to 170 km. Methods: Nineteen trail runners completed races shorter than 60 km, and 21 runners completed races longer than 100 km. Isometric maximal voluntary contractions (IMVCs) of knee extensors and plantar flexors and maximal 7-second sprints on a cycle ergometer were performed before and after the event. Results: Maximal power output (Pmax; −14% [11%], P |
| : |
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| Database: |
Complementary Index |