Abstract Summary
The effects of typical mountain ultramarathon races (100 miles, i.e. 170 km) on neuromuscular fatigue have been well described. This study aimed to compare neuromuscular fatigue and recovery between two 170 km races i) in one single stage, and ii) when splitting the course in four equal stages of 42 km performed in four consecutive days. The single stage race induced more neuromuscular, particularly central, fatigue but surprisingly the kinetics of recovery appeared much shorter than the multi stage race.
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