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An Investigation into the Measurement and Prediction of Mechanical Stiffness of Lower-limb Prostheses used for Running.

Dyer, B. T.J., Sewell, P. and Noroozi, S., 2014. An Investigation into the Measurement and Prediction of Mechanical Stiffness of Lower-limb Prostheses used for Running. Assistive Technology: The Official Journal of RESNA, 26 (3), 157 - 163.

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DOI: 10.1080/10400435.2014.888599

Abstract

Two energy return prosthesis are subjected to three different statically applied loading methods. This initial study proposes that statically applied loading to a sport prosthesis using several controlled methods were statistically robust enough to derive a mechanical stiffness value. However, any predicted stiffness is drawn into question when allowing any movement of the distal end. This uncertainty will make any evaluation or prescription of lower-limb prosthesis technology based upon their stiffness incorrect. In addition, the peak calculated stiffness at the expected bodyweight induced ground impact load of a runner is judged the most representative assessment method. This study attempts to build on previous research advocating the need to monitor the performance of prosthesis lower-limb technology in disability sport. Practitioner Summary: This paper extends previous research regarding the fairness of prosthetics technology used in running with a lower-limb amputation. It pilots a quantitative assessment of high activity prosthetics technology and ultimately demonstrates how incorrect assessment can lead to incorrect specification of running prosthesis for elite level sport

Item Type:Article
ISSN:1040-0435
Uncontrolled Keywords:Keywords: amputee; sprinting; stiffness; prosthesis
Group:Faculty of Science & Technology
ID Code:22832
Deposited By: Symplectic RT2
Deposited On:04 Nov 2015 11:18
Last Modified:14 Mar 2022 13:53

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