Computational method to evaluate ankle postural stiffness with ground reaction forces

Document Type

Article

Publication Date

3-1-2004

Abstract

We examined an existing method for evaluating postural sway based on force-plate technology. Through an improved mathematical model of postural dynamics, we propose a new method, which better evaluated postural sway and, in addition, computed ankle moment and ankle postural stiffness directly from the measured ground reaction forces. An example is detailed that demonstrates the utility of this approach. The proposed method does not involve filtering or numerical integration and considers the platform inclination. Results from normal subjects show a linear relation between the ankle moment and the sway angle during quiet standing.

Identifier

2642584708 (Scopus)

Publication Title

Journal of Rehabilitation Research and Development

External Full Text Location

https://doi.org/10.1682/JRRD.2004.02.0207

ISSN

07487711

PubMed ID

15558374

First Page

207

Last Page

214

Issue

2

Volume

41

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