Surface EMG Analysis of Biceps Brachii Fatigue During Isometric Contraction: A Preliminary Study

doi:10.29199/2637-7039/boms-101020

Abstract

Highlights

Muscle fatigue represents a complex phenomenon encompassing various causes, mechanics and forms of manifestation [1]
The purposes of the present study were (1) to examine the median and mean power frequency during isometric biceps brachii contraction (2) to determine whether a correlation existed between the two parameters in depicting muscle fatigue
The mean power frequency was significantly correlated with time (r = -0.338, p = 0.008), which indicated the mean power frequency reduced during the fatigue process (Figure 3)

Summary

Introduction

Muscle fatigue represents a complex phenomenon encompassing various causes, mechanics and forms of manifestation [1]. Many studies have been done to describe the phenomenon and mechanisms responsible for muscle fatigue [2,3,4]. Based on the previous studies, muscle fatigue can be defined as the activity-induced loss of the force-producing capability of the muscle [5]. Cifrek et al, [1] stated that the simplest way to determine the onset of muscle fatigue was to measure time during which an individual was able to perform certain work, which was known as ‘mechanical manifestation of muscle fatigue’. Electromyography (EMG) analyses are more objective means and provide an early indication of the fatiguing process [6]

Methods

Results

Conclusion