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Gait Analysis of Low-Cost Flexible-Shank Trans-Tibial Prostheses

Lee, Winson C.C., Zhang, Ming, Chan, Peggy P.Y., & Boone, David A. (2006) Gait Analysis of Low-Cost Flexible-Shank Trans-Tibial Prostheses. IEEE Transactions on Neural Systems and Rehabilitation Engineering, 14(3), pp. 370-377.

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Abstract

The latest lower-limb prosthetic designs have been incorporated with dynamic elastic response (DER) components to enhance prosthesis flexibility, which are suggested to be beneficial to gait. Although DER prosthetic feet are preferred by most trans-tibial amputees and their benefits to gait are supported by some biomechanical studies, many are still utilizing the simple conventional solid ankle cushioned heel (SACH) designs because of the lower cost. The monolimb, a trans-tibial prosthesis with the socket and the shank molded from a single piece of thermoplastic material, perhaps is an alternative to DER feet for providing flexibility at the shank. In addition to shank flexibility, low cost and light weight are other characteristics of monolimbs. In spite of the potential benefits, little analysis has been done to examine the simple-structured monolimb prosthesis. The main aim of this study is to evaluate the gait and perception of unilateral trans-tibial amputees using a flexible elliptical-shank monolimb as compared to a thicker circular-shank monolimb and a conventional rigid-shank prosthesis. Results suggested that a properly designed monolimb may potentially offer similar functional advantages to the relatively expensive DER feet.

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9 citations in Scopus
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5 citations in Web of Science®

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ID Code: 4851
Item Type: Journal Article
Keywords: Amputee gait, monolimb, dynamic elastic response prosthetic foot, shank flexibility, flexibility test
DOI: 10.1109/TNSRE.2006.881540
ISSN: 1534-4320
Subjects: Australian and New Zealand Standard Research Classification > ENGINEERING (090000) > BIOMEDICAL ENGINEERING (090300) > Rehabilitation Engineering (090305)
Divisions: Past > QUT Faculties & Divisions > Faculty of Built Environment and Engineering
Copyright Owner: Copyright 2006 IEEE
Copyright Statement: Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Deposited On: 24 Aug 2006
Last Modified: 11 Aug 2011 04:37

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