Journal
PROSTHETICS AND ORTHOTICS INTERNATIONAL
Volume 38, Issue 4, Pages 332-335Publisher
SAGE PUBLICATIONS LTD
DOI: 10.1177/0309364613497049
Keywords
Rehabilitation; reciprocal gait; stair ascent; above knee
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Funding
- Japanese Ministry of Education, Culture, Sports, Science and Technology [21700569]
- Grants-in-Aid for Scientific Research [21700569] Funding Source: KAKEN
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Background and aim: Stair ascent is a particularly challenging task for transfemoral amputees. The aim of this clinical note was to describe the kinematic features of foot clearance in transfemoral amputee who can ascend stairs using a step-over-step strategy. Technique: The marker trajectories of the first metatarsophalangeal joint (Mt1) and clearance height were measured in two transfemoral amputees who could (TF1) and could not (TF2) climb stairs using a step-over-step strategy. Discussion: The Mt1 marker trajectories of the TF1 moved backward in the early swing phase, and the trajectory followed an off-centered parabolic arc to achieve a similar clearance height as able-bodied subjects. TF2 could not climb the stairs without tripping in each step. An effective compensatory strategy to avoid tripping during stair climbing may be to use the hip joint for a backward extension and rapid flexion of the prosthetic leg during the early swing phase.
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