Nonlinear Phenomena in Complex Systems, 2008, Vol.11, No.1, pp.99-103

NONLINEAR PHENOMENA IN COMPLEX SYSTEMS
An Interdisciplinary Journal

2008, Vol.11, No.1, pp.99-103

Nonlinear Dynamics in Electromyogram Analysis.
A. V. Sidorenko, N. A. Solonovich, A. P. Selitski, and V. I. Hodulev

As bioelectric signals reflecting processes proceeding in a muscle, interference electromyograms may be characterized by such parameters borrowed from nonlinear dynamics as correlation dimension d and Kolmogorov entropy E.
With a nonlinear approach the structural changes in electromyograms caused by voluntary muscle tension or some pathologies of a neuromuscular system are revealed qualitatively (phase portraits) and quantitatively (correlation dimension, Kolmogorov entropy). The proposed approach is supported by the obtained experimental results.
Key words: granular media, nonlinear oscillations, processing of granular materials

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