Published: 30 September 2007

Changes of the human gait after total hip joint replacement surgery

K. Kazlauskiene1
P. Žiliukas2
V. Grigas3
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Abstract

The aim of this work was to determine the effect of a hip joint replacement on human locomotion-support apparatus and movement functions. 3D biomechanical model of human locomotion-support system was developed for comparative analysis of the healthy state and the state after total hip replacement operation. The effect of shift of hip joint replacement centre position on human movement and muscles activity patterns was determined by using computational and experimental methods. The results of analysis obtained on the basis of this model and method are presented: it is shown that the change of position of hip joint replacement elements (cup and sphere) has substantial effect on human walking pattern

About this article

Received
18 April 2007
Accepted
18 June 2007
Published
30 September 2007
Keywords
human locomotion-support apparatus
total hip joint replacement
movement functions
gait analysis
computer biomechanical model