Application of surface electromyography to work-related musculoskeletal disorders research
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Abstract
As a non-invasive real-time measurement method, surface electromyography (sEMG) can objectively reflect the level of muscle activity and functional status. In this paper, a brief introduction of sEMG analysis methods was first present, including linear and non-linear analyses, and the linear analysis covered time-domain analysis, frequency-domain analysis, joint analysis of EMG spectrum and amplitude, and time-frequency analysis. Then, the application of sEMG to the assessment of WMSDs including muscle fatigue and muscle load was reviewed for identifying potential adverse ergonomic factors. Finally, problems existing in the application of sEMG to WMSDs were put forward and further research directions were prospected.
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