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A computer-aided analyzing system to examine the masticatory muscle EMG during mastication
M Fujisawa1, T Kawada, K Ishibashi
1Department of Fixed Prosthodontics, School of Dentistry, Iwate Medical University, Morioka, Japan.
Summary
A new computerized system analyzes masticatory muscle electromyograms (EMGs) by measuring burst duration, muscle activity, and power-spectrum density. This system effectively evaluates muscle fatigue in healthy individuals and has potential for other neuromuscular studies.
Area of Science:
- Biomedical Engineering
- Neuroscience
- Physiology
Background:
- Masticatory muscle electromyograms (EMGs) provide insights into muscle function during chewing.
- Quantifying muscle activity and fatigue requires precise analytical tools.
Purpose of the Study:
- To develop and validate a computerized system for analyzing masticatory muscle EMGs.
- To assess the system's efficacy in evaluating muscle fatigue.
Main Methods:
- Development of a computerized system to analyze EMG parameters including burst-duration time, muscle activity, and electromyographic power-spectrum density.
- Testing the system with healthy subjects during mastication to evaluate the fatiguing process.
Main Results:
- The computerized analyzing system demonstrated satisfactory performance in evaluating the fatiguing process.
- Key parameters analyzed included burst-duration time, muscle activity, and electromyographic power-spectrum density.
Conclusions:
- The developed system is a reliable tool for analyzing masticatory muscle EMGs.
- The system shows potential for broader applications in studying neuromuscular control and coordination.