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Physiother Theory Pract. 2012 Jul;28(5):407-11. doi: 10.3109/09593985.2011.631695. Epub 2011 Dec 22.

Longitudinal gait analysis of a person with a transfemoral amputation using three different prosthetic knee/foot pairs.

Author information

1
Department of Physical Therapy, Rehabilitation Science Research Laboratory, Creighton University, Omaha, NE 68178, USA. jbbarr@creighton.edu

Abstract

Using gait analysis, we documented kinetic and temporospatial changes over a 7-year period in a single healthy individual with a transfemoral amputation walking with three different knees and matched foot components. The knee/foot pairs in chronological order were Four Bar Endolite knee/Endolite Dynamic Response foot; Ossur Total Knee 2000/Pathfinder I foot; and C-Leg knee/IC40 C-walk foot. The design of the suspension and socket were unchanged across the three prostheses. We found an increase in the braking component of A-P ground reaction force on the intact limb while using the C-Leg compared to the other two prosthetic fabrications. There was progressive change across the three component combinations, which included increased step length, increased walking velocity, and decreased double limb support time. The subject ranked the C-Leg system as the most stable. The final gait pattern with the C-Leg was faster, less cautious, and more stable than with the other prosthetic components.

PMID:
22191438
DOI:
10.3109/09593985.2011.631695
[Indexed for MEDLINE]

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