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Understanding ageing effects by approximate entropy analysis of gait variability

conference contribution
posted on 2007-12-01, 00:00 authored by Chandan KarmakarChandan Karmakar, A H Khandoker, R K Begg, M Palaniswami, S Taylor
Ageing influences gait patterns which in turn affects the control mechanism of human locomotor balance. The aim of this study is to investigate the relationship between approximate entropy (ApEn) and standard deviation (SD) of a gait variable (minimum toe clearance, MTC) for young and elderly gait patterns. MTC data of 30 healthy young (HY), 27 healthy elderly (HE) and 10 falls risk (FR) elderly subjects with balance problems were analyzed. The ApEn values of MTC were significantly correlated with SD of MTC in the three groups; however, such correlations were abolished in the randomly shuffled MTC data of HE and HY group. These findings have implications of understanding ageing effect on gait variability and the likely risks of tripping falls during gait. Results are also potentially useful for the early diagnosis of common gait pathologies. © 2007 IEEE.

History

Pagination

1965 - 1968

Publisher

IEEE

Location

Lyon, France

Place of publication

Piscataway, N.J.

Start date

2007-08-22

End date

2007-08-26

ISSN

0589-1019

ISBN-10

1424407885

Publication classification

EN.1 Other conference paper

Title of proceedings

Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings

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