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|a Swart, E.
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|a Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science
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|a Massachusetts Institute of Technology. Media Laboratory
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|a Herr, Hugh M.
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|a Swart, E.
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|a Endo, Ken
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|a Herr, Hugh M.
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|a Endo, Ken
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|a Herr, Hugh M.
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|a An artificial gastrocnemius for a transtibial prosthesis
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|b Institute of Electrical and Electronics Engineers,
|c 2010-03-10T20:48:46Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/52488
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|a A transtibial amputee does not have a functional gastrocnemius muscle, which affects the knee as well as the ankle joint. In this investigation, we developed a transtibial prosthesis comprising an artificial gastrocnemius mechanism as well as a powered ankle-foot device. A pilot study was conducted with a bilateral transtibial amputee walking at a self-selected speed. The trial compared muscle electromyography and metabolic cost data for the amputee while using the active gastrocnemius prosthesis and a conventional Flex-Foot prosthesis. The experimental data showed that the compensation for ankle-foot and gastrocnemius function offered by the active device resulted in a reduced metabolic cost for the amputee participant.
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|a Article
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|t 2009 Engineering in Medicine and Biology Society
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