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Muscle extremely low frequency magnetic stimulation eliminates the effect of fatigue on EEG-EMG coherence during the lateral raise task: a pilot quantitative investigation

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posted on 2023-07-26, 14:23 authored by Qian Qiu, Liu Cao, Dongmei Hao, Lin Yang, Rajshree Hillstrom, Dingchang Zheng
The aim of this study was to quantitatively investigate the effects of force load, muscle fatigue and extremely low frequency (ELF) magnetic stimulation on electroencephalography (EEG)-electromyography (EMG) coherence during right arm lateral raise task. Eighteen healthy male subjects were recruited. EEG and EMG signals were simultaneously recorded from each subject while three different loads (0, 1 and 3kg) were added on the forearm. ELF magnetic stimulation was applied to the subject’s deltoid muscle between tasks during the resting period. Univariate ANOVA showed that all EEG-EMG coherence areas of C3, C4, CP5 and CP6 were not significantly affected by the force load (all p>0.05), and that muscle fatigue led to statistically significant reductions on the coherence area of gamma band in C3 (p=0.014) and CP5 (p=0.019). More interestingly, these statistically significant reductions disappeared with the application of muscle ELF magnetic stimulation, indicating its potential application to eliminate the effect of fatigue.

History

Refereed

  • Yes

Volume

2018

Page range

7673068

Publication title

BioMed Research International

ISSN

2314-6141

Publisher

Hindawi

File version

  • Published version

Language

  • eng

Legacy posted date

2018-07-02

Legacy creation date

2018-06-26

Legacy Faculty/School/Department

ARCHIVED Faculty of Medical Science (until September 2018)

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