Evaluation of EMG Features of Trunk Muscles during Flexed Postures
Publish place: 19th Iranian conference on Biomedical Engineering
Publish Year: 1391
Type: Conference paper
Language: English
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Document National Code:
ICBME19_062
Index date: 29 January 2014
Evaluation of EMG Features of Trunk Muscles during Flexed Postures abstract
Flexed postural tasks are frequently involved in daily activities, this paper evaluated a wide range of trunk muscle electromyogram (EMG) features to find the best feature spaces that discriminate among different trunk flexion angles. Using Davies-Bouldin index (DBI) and Calinski-Harabasz index (CHI) it was found that zero crossings, mean power frequency, median power frequency, and second order cumulants of extensor muscles’ EMG, independent of holding load level and electrode location (right or left side of muscle) are the most sensitive features to trunk flexion angle variation.
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Evaluation of EMG Features of Trunk Muscles during Flexed Postures authors
Mohsen Naji
Department of Biomedical Engineering Islamic Azad University, Dezful Branch
Mohammad Firoozabadi
Department of Medical Physics Tarbiat Modares University
Sedighe Kahrizi
Department of Physical Therapy Tarbiat Modares University