Journal of Rehabilitation Research & Development (JRRD)

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Passive prosthetic ankle-foot mechanism for automatic adaptation to sloped surfaces

Eric Nickel, MS, et al.

Persons with amputation of a leg often have difficulty walking on sloped or uneven surfaces. Some microprocessor-controlled prosthetic ankle-foot systems are able to adapt their alignment to a surface slope over several steps, but a better system would be capable of adapting fully on every step without batteries and electronic systems. This article describes the development and initial testing of a passive mechanical prosthetic ankle-foot system designed to automatically adjust its alignment on every step of walking.

Volume 51 Number 5, 2014
   Pages 803 — 814

*Address all correspondence to Andrew H. Hansen, PhD; Minneapolis VA Health Care System, One Veterans Drive (Research-151), Minneapolis, MN 55417; 612-467-2910; fax: 612-725-2093. Email:

View HTML ¦ View PDF ¦ Contents Vol. 51, No.5

This article and any supplementary material should be cited as follows:
Nickel E, Sensinger J, Hansen A. Passive prosthetic ankle-foot mechanism for automatic adaptation to sloped surfaces. J Rehabil Res Dev. 2014;51(5):803–14.
ResearcherID/ORCID: Jonathon Sensinger, PhD: C-5012-2014

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Last Reviewed or Updated  Wednesday, September 3, 2014 9:19 AM

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