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Physical and mathematical model of human hip joint load

Włodarski J., Szmigiel A., Żołyński K., Kaczmarek J.

Biocybernetics and Biomedical Engineering

2002

Vol. 22, no. 1

95-102

Analysing human gait cyclogram and reactions of the foundation, kinematics and dynamics of loads realised on a test stand were tried to be brought closer to real object. To reconstruct hip joint load diagram, basic loads resulting from physiology of movement were isolated. Physical model conditioned on gait cyclogram is designed to describe physical load of human hip joint and may be presented in the form of characteristic "double peak". Mathematical model of human hip joint load approximates with good accuracy time serious of five harmonics. This model has been adapted for the realisation of the design for a test stand - human hip joint simulator enabling to perform static and dynamic testing of an artificial hip joint.