Changes in EMG-EMG coherence during hand grasp movements

Gaoxiang Ouyang, Zhaojie Ju, Honghai Liu

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Abstract

It is challenging to recognize human hand grasp movements through electromyogram (EMG) signals. In this paper, EMG–EMG coherence measure is used to describe correlations of EMG recordings during different hand grasp movements. Meanwhile, linear discriminant analysis (LDA) is utilized to evaluate the performance of the EMG–EMG coherence measure for identifying the grasp movements. Experimental results show that the EMG–EMG coherence measure is effective to extract correlations among EMG recordings, with which different types of hand grasp movements have been successfully distinguished. It is shown that the EMG–EMG coherence measure might be a potential tool to reveal the EMG–EMG correlation between the intermuscular interactions during hand grasp movements.
Original languageEnglish
Article number1450002
Number of pages11
JournalInternational Journal of Humanoid Robotics
Volume11
Issue number01
Publication statusPublished - 27 Feb 2014

Keywords

  • RCUK
  • EPSRC
  • EP/G041377/1

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