Hip 3D joint mechanics analysis of normal and obese individuals' gait

Mazlan, M.H. and Abu Osman, Noor Azuan and Wan Abas, Wan Abu Bakar (2011) Hip 3D joint mechanics analysis of normal and obese individuals' gait. In: 5th Kuala Lumpur International Conference on Biomedical Engineering, BIOMED 2011, Held in Conjunction with the 8th Asian Pacific Conference on Medical and Biological Engineering, APCMBE 2011, 2011, Kuala Lumpur.

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Abstract

Previously, the study of 3D joint angle has been proven to give better interpretations on the joint and muscular activities. However, it has not been widely discovered and usually limited to normal subject and level walking activity. The inspiration of the study was based on the fact that, the obesity and staircase activity factors will significantly influence the mechanics of a joint. It has been proven significantly affected the knee rather than the hip which leading to the knee osteoarthritis disease. Moreover, since to date no experimental study has reported on hip 3D joint mechanics associating with these two factors, therefore, the analysis of hip 3D joint angle for obese and normal individuals during stair ascending activity have been proposed in order to help the hip 3D joint interpretations. Our hypothesis is that, it is hard to describe the difference of the gait strategy used between obese and normal individuals due to the effect of the mechanics adaptations of the hip joint. Therefore, with the aid of hip 3D joint angle interpretations, it is believed that these phenomena can be successfully described and investigated. The result seems to confirm that, at the late stance of stair ascending activity, the obese individuals seem to have an alternative strategy of mainly hip resistance compared to the normal' strategy of mainly hip stabilization. Otherwise, the normal and obese individuals seem to have a similar strategy of mainly hip stabilization. In addition, the obese seem to absorb or generate energy with systematically lower proportion of the 3D joint moments than normal individuals.

Item Type: Conference or Workshop Item (Paper)
Additional Information: Conference code: 85436 Export Date: 24 February 2014 Source: Scopus Language of Original Document: English Correspondence Address: Mazlan, M. 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Uncontrolled Keywords: 3D joint angle, 3D joint power, Euler/Cardanic angle, inverse dynamics, stair ascending, Activity factor, Experimental studies, Hip joints, Joint angle, Joint interpretation, Joint mechanics, Joint moment, Joint power, Knee osteoarthritis, Level walking, Muscular activities, Biomedical engineering, Mechanics, Stabilization, Stairs, Three dimensional, Joints (anatomy).
Subjects: T Technology > T Technology (General)
T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering
Depositing User: Mr Jenal S
Date Deposited: 12 Mar 2014 03:27
Last Modified: 07 Feb 2019 08:45
URI: http://eprints.um.edu.my/id/eprint/9515

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