RESEARCH ARTICLE


Foot Modeling and Smart Plantar Pressure Reconstruction from Three Sensors



Hussein Abou Ghaida, Serge Mottet , Jean-Marc Goujon*
CNRS-Foton, UMR 6082, Lannion, France


Article Metrics

CrossRef Citations:
6
Total Statistics:

Full-Text HTML Views: 718
Abstract HTML Views: 399
PDF Downloads: 213
Total Views/Downloads: 1330
Unique Statistics:

Full-Text HTML Views: 444
Abstract HTML Views: 266
PDF Downloads: 186
Total Views/Downloads: 896



Creative Commons License
© Abou Ghaida et al.; Licensee Bentham Open.

open-access license: This is an open access article licensed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted, non-commercial use, distribution and reproduction in any medium, provided the work is properly cited.

* Address correspondence to the author at the Laboratoire Foton, ENSSAT, CS 80518, 6 rue Kerampont, 22305 Lannion Cedex, France; Tel: +33 2 96 46 90 52; ; Fax: +33 2 96 46 90 76; E-mail: jean-marc.goujon@enssat.fr


Abstract

In order to monitor pressure under feet, this study presents a biomechanical model of the human foot. The main elements of the foot that induce the plantar pressure distribution are described. Then the link between the forces applied at the ankle and the distribution of the plantar pressure is established. Assumptions are made by defining the concepts of a 3D internal foot shape, which can be extracted from the plantar pressure measurements, and a uniform elastic medium, which describes the soft tissues behaviour. In a second part, we show that just 3 discrete pressure sensors per foot are enough to generate real time plantar pressure cartographies in the standing position or during walking. Finally, the generated cartographies are compared with pressure cartographies issued from the F-SCAN system. The results show 0.01 daN (2% of full scale) average error, in the standing position.

Keywords: 3D foot shape, biomechanics, foot modeling, numerical simulation, plantar pressure cartography, pressure sensors, instrumented insole..