Published: 30 June 2007

Research of variations of frequency of non-linear dynamic model of the muscle

M. Mariunas1
K. Daunoraviciene2
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Abstract

The paper presents the methodic for research of non-linear muscular stiffness characteristics, operating with polynomial and Gaussian functions. The dynamical muscle model has been made which led to observe the variations of muscular amplitude-frequentative characteristics in loading duration and at different magnitudes of the load. It was appointed that in non-linear muscle system, in the beginning of muscle loading, not less 6 different frequency harmonics appeared and with longer loading duration the amount of them decrease. In marginal case when ? ?t , the amount of frequencies approached to four. The regularities of muscle frequency characteristics in muscle loading duration explored analytically were compared to results got by experimental way

About this article

Received
18 May 2007
Accepted
15 June 2007
Published
30 June 2007
Keywords
frequentative characteristics
muscle dynamic model
nonlinear characteristics