Measurement of human muscle fatigue.

Abstract:

:Human muscle fatigue has been studied using a wide variety of exercise models, protocols and assessment methods. Based on the definition of fatigue as 'any reduction in the maximal capacity to generate force or power output', the different methods to measure fatigue are discussed. It is argued that reliable and valid measures must include either assessment of maximal voluntary contraction force or power, or the force generated by electrical stimulation. By comparing tetanic stimulation and maximal voluntary contraction force one may reveal whether fatigue is of central origin, or whether peripheral mechanisms are involved. Adequate use of twitch interpolation provides an even more sensitive measure for central fatigue. Indirect methods as endurance times and electromyography show variable responses during exercise and no close relationship to fatigue. Hence these methods are of limited value in measurement of human muscle fatigue.

journal_name

J Neurosci Methods

authors

Vøllestad NK

doi

10.1016/s0165-0270(97)02251-6

subject

Has Abstract

pub_date

1997-06-27 00:00:00

pages

219-27

issue

2

eissn

0165-0270

issn

1872-678X

pii

S0165-0270(97)02251-6

journal_volume

74

pub_type

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