Significance of Nonsagittal Power Terms in Analysis of a Dynamic Elastic Response Prosthetic Foot

[+] Author and Article Information
M. D. Geil

Georgia Institute of Technology, Atlanta, GA, 30332-0110

M. Parnianpour, N. Berme

Ohio State University, Columbus, OH, 43210

J Biomech Eng 121(5), 521-524 (Oct 01, 1999) (4 pages) doi:10.1115/1.2835082 History: Received April 07, 1998; Revised May 06, 1999; Online January 23, 2008


Dynamic elastic response prosthetic feet generally utilize a solid ankle, limiting dominant motion to the sagittal plane. However, researchers often use total rotational ankle joint power in the analysis of these feet. This investigation measured joint power terms in each plane for the Carbon Copy High Performance prosthetic foot. The significance of the frontal and transverse plane terms was assessed. Addition of these terms to the dominant sagittal power term revealed only slight differences, indicating that the sagittal power term is likely sufficient.

Copyright © 1999 by The American Society of Mechanical Engineers
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