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Neuromuscular fatigue during repeated sprint exercise: underlying physiology and methodological considerations

Author:
Collins, Brandon W., Pearcey, Gregory E.P., Buckle, Natasha C.M., Power, Kevin E., Button, Duane C.
Source:
Applied physiology, nutrition and metabolism 2018 v.43 no.11 pp. 1166-1175
ISSN:
1715-5320
Subject:
exercise, muscle fatigue, muscle strength
Abstract:
Neuromuscular fatigue occurs when an individual’s capacity to produce force or power is impaired. Repeated sprint exercise requires an individual to physically exert themselves at near-maximal to maximal capacity for multiple short-duration bouts, is extremely taxing on the neuromuscular system, and consequently leads to the rapid development of neuromuscular fatigue. During repeated sprint exercise the development of neuromuscular fatigue is underlined by a combination of central and peripheral fatigue. However, there are a number of methodological considerations that complicate the quantification of the development of neuromuscular fatigue. The main goal of this review is to synthesize the results from recent investigations on the development of neuromuscular fatigue during repeated sprint exercise. Hence, we summarize the overall development of neuromuscular fatigue, explain how recovery time may alter the development of neuromuscular fatigue, outline the contributions of peripheral and central fatigue to neuromuscular fatigue, and provide some methodological considerations for quantifying neuromuscular fatigue during repeated sprint exercise.
Agid:
6439204