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An Investigation of Two Methods for Quantifying Inter and Intra-Limb Control/Co-ordination Processes of Gait

Taylor, Simon, Begg, Rezaul and Best, Russell (2002) An Investigation of Two Methods for Quantifying Inter and Intra-Limb Control/Co-ordination Processes of Gait. In: Proceedings of the Fourth International Conference on Modelling and Simulation. Zayegh, Aladin, ed. Victoria University, Melbourne, Vic., pp. 434-439.

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This paper examines two methods of measuring pattern dynamics for characterising the inter- and intra- limb processes underlying gait control/coordination. A sample of eighteen subjects completed a twenty-minute treadmill test. Minimum foot clearance values were taken at successive bilateral events. Using detrended fluctuation analysis, we computed α (self-similarity parameter), a measure of the degree to which a single value in a series of data is correlated with a previous and subsequent value over different time scales. Also, a ratio value ψ, provides a measure of the short term variability relative to long term variability obtained from the Poincaré plot. The two methods demonstrate a correlation between α and ψ for both intra-limb (r = -0.59) and interlimb processes (r = -0.64). Both methods indicate correlations existing within the control processes of intra- and inter-limb MFC events.

Item Type: Book Section
ISBN: 1862726175
Additional Information:

11-13 November, 2002, Melbourne, Australia

Uncontrolled Keywords: gait control, fall, detrended fluctuation analysis, Poincaré cloud, Commonwealth Department of Health and Aged Care, CDHAC, minimum foot clearance, MFC, spatial symmetry, healthy gait
Subjects: FOR Classification > 1106 Human Movement and Sports Science
FOR Classification > 1117 Public Health and Health Services
Faculty/School/Research Centre/Department > School of Sport and Exercise Science
Depositing User: Yimin Zeng
Date Deposited: 31 May 2013 02:31
Last Modified: 21 Mar 2019 01:04
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