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Title: Stump/socket pressure profiles of the pressure cast prosthetic socket
Authors: Goh, J.C.H. 
Lee, P.V.S. 
Chong, S.Y.
Keywords: Biomechanics
Transtibial amputees
Issue Date: Mar-2003
Citation: Goh, J.C.H., Lee, P.V.S., Chong, S.Y. (2003-03). Stump/socket pressure profiles of the pressure cast prosthetic socket. Clinical Biomechanics 18 (3) : 237-243. ScholarBank@NUS Repository.
Abstract: Objective. The aim was to evaluate stump/socket interface pressure in amputees wearing a socket developed by a pressure casting system. Design. Five unilateral transtibial amputees wore a pressure cast socket and walked at a self-selected speed. Background. The socket produces equally distributed pressure at the stump/socket interface, deviating from the conventional belief that pressure varies in proportion to the pain threshold of different tissues in the stump. Methods. The socket was fabricated while the subject placed his stump in a pressure chamber. Pressure was applied while he adopted a normal standing position. A specially built strain gauged type pressure transducer was used for measuring pressure distribution. Pressure and gait parameters were measured simultaneously while the subjects were standing and walking. Results and conclusion. The pressure cast technique was able to provide comfortable fitting sockets. A hydrostatic pressure profile was not evident during standing or gait. Results also showed that no standard pressure profile for the pressure cast socket was observed. This was expected as no rectifications were done on the pressure cast socket. Pressure profiles at 10%, 25% and 50% of gait cycle did not correlate with the pressure profiles previously proposed. © 2003 Elsevier Science Ltd. All rights reserved.
Source Title: Clinical Biomechanics
ISSN: 02680033
DOI: 10.1016/S0268-0033(02)00206-1
Appears in Collections:Staff Publications

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