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Methodologies for evaluating electromyographic field data in ergonomics
HAGG GM; LUTTMANN A; JAGER M
J ELECTROMYOGR KINESIOL , 2000, vol. 10, n° 5, p. 301-312 Doc n°: 97560 Localisation : Documentation IRR Descripteurs : HH3 - ERGONOMIE, AK2 - EMG Surface electromyography (SEMG) is an important tool for work load assessment in ergonomics. Several different approaches using amplitude as well as frequency parameters give fruitful information depending on question at issue in the laboratory as well as in field studies. One basic factor determining the choice of analysis method is whether the SEMG is interpreted as an indicator of forces/torques or pure muscular activation. Two methods for occupational SEMG data reduction representing two different approaches to SEMG applications in ergonomics, Exposure Variation Analysis (EVA), and Joint Analysis of EMG Spectrum and Amplitude (JASA), applied on the same SEMG recording from three muscles during urology surgeon work, have been compared. The EVA method categorised the three muscle recordings as too static with no EMG gaps while the JASA method identifies fatigue in two of the three recordings. The practical relevance of these findings is discussed. Langue : ANGLAIS Tiré à part : OUI Identifiant basis : 2000213486 |
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