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Amputee independent prosthesis properties - a new model for description and measurement

Major, M, Twiste, M, Kenney, LPJ and Howard, D 2011, 'Amputee independent prosthesis properties - a new model for description and measurement' , Journal of Biomechanics, 44 (14) , pp. 2572-2575.

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Abstract

A model is presented for describing the Amputee Independent Prosthesis Properties (AIPP) of complete assemblies of trans-tibial prosthetic components distal to the socket. This new AIPP model includes features of both lumped parameter and roll-over models and describes prosthesis properties that are of importance in stance phase, including prosthetic foot geometry, normal stiffness, shear stiffness, and damping (energy dissipation). Methods are described for measuring the parameters of the AIPP model using a custom test-rig, commercial load-cell, and a motion capture system. Example data are presented for five pylon angles reflecting the shank angles seen in normal gait. Through the inclusion of measured AIPP in future in-vivo studies comparing different prostheses more generic information, as opposed to product specific claims, will become more widely available to inform future designs, prescription, and alignment procedures.

Item Type: Article
Uncontrolled Keywords: Trans-tibial, amputee, prosthesis, mechanical properties
Themes: Health and Wellbeing
Schools: Colleges and Schools > College of Health & Social Care > School of Health Sciences > Centre for Health Sciences Research
Journal or Publication Title: Journal of Biomechanics
Publisher: Elsevier
Refereed: Yes
ISSN: 0021-9290
Depositing User: M Twiste
Date Deposited: 04 Oct 2011 08:39
Last Modified: 14 Jul 2014 13:30
URI: http://usir.salford.ac.uk/id/eprint/17818

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