Effectiveness of the wavelet transform on the surface EMG to understand the muscle fatigue during walk

M. S. Hussain, Md. Mamun Ibne Reaz

Research output: Contribution to journalArticle

22 Citations (Scopus)

Abstract

Muscle fatigue is the decline in ability of a muscle to create force. Electromyography (EMG) is a medical technique for measuring muscle response to nervous stimulation. During a sustained muscle contraction, the power spectrum of the EMG shifts towards lower frequencies. These effects are due to muscle fatigue. Muscle fatigue is often a result of unhealthy work practice. In this research, the effectiveness of the wavelet transform applied to the surface EMG (SEMG) signal as a means of understanding muscle fatigue during walk is presented. Power spectrum and bispectrum analysis on the EMG signal getting from right rectus femoris muscle is executed utilizing various wavelet functions (WFs). It is possible to recognize muscle fatigue appreciably with the proper choice of the WF. The outcome proves that the most momentous changes in the EMG power spectrum are symbolized by WF Daubechies45. Moreover, this research has compared bispectrum properties to the other WFs. To determine muscle fatigue during gait, Daubechies45 is used in this research to analyze the SEMG signal.

Original languageEnglish
Pages (from-to)28-33
Number of pages6
JournalMeasurement Science Review
Volume12
Issue number1
DOIs
Publication statusPublished - 2012

Fingerprint

electromyography
Electromyography
muscles
wavelet analysis
Wavelet transforms
Muscle
Fatigue of materials
Power spectrum
power spectra
muscular function
gait
stimulation
spectrum analysis
low frequencies

Keywords

  • Bispectrum
  • Electromyography
  • Surface electromyography
  • Wavelet

ASJC Scopus subject areas

  • Instrumentation
  • Biomedical Engineering
  • Control and Systems Engineering

Cite this

Effectiveness of the wavelet transform on the surface EMG to understand the muscle fatigue during walk. / Hussain, M. S.; Ibne Reaz, Md. Mamun.

In: Measurement Science Review, Vol. 12, No. 1, 2012, p. 28-33.

Research output: Contribution to journalArticle

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