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Frontal plane pelvis and hip kinematics of transfemoral amputee gait. Effect of a prosthetic foot with active ankle dorsiflexion and individualized training - a case study

Journal article
Authors A. Armannsdottir
Roy Tranberg
G. Halldorsdottir
K. Briem
Published in Disability and Rehabilitation-Assistive Technology
Volume 13
Issue 4
Pages 388-393
ISSN 1748-3107
Publication year 2018
Published at Institute of Clinical Sciences, Department of Orthopaedics
Pages 388-393
Language en
Links dx.doi.org/10.1080/17483107.2017.13...
Keywords Transfemoral amputation, gait rehabilitation, frontal plane kinematics, hip kinematics, pelvis, lower-limb amputees, back-pain, amputation, prevalence, secondary, knee, performance, patterns, Rehabilitation
Subject categories Orthopedics

Abstract

Following a transfemoral amputation (TFA), numerous changes in movement patterns during gait can occur. Frontal plane hip and pelvis compensatory strategies are recognized among individuals with a TFA, some thought to aid in safe foot clearance during the swing phase of gait. The aim of this case study was to evaluate the effect of an active ankle dorsiflexion provided by a microprocessor-controlled prosthetic foot, as well as the effect of individualized training on these parameters. In this case study, a 42-year-old male underwent 3D gait analysis. Data were captured for two conditions; with a microprocessor-controlled prosthetic foot with active/inactive ankle dorsiflexion, during two sessions; before and after 6 weeks of individualized training. The main outcomes analyzed were frontal plane pelvis and hip kinematics. Prior to training, pelvic lift decreased slightly, coupled with an increase in hip abduction, during gait with the active ankle dorsiflexion of a prosthetic foot, compared to inactive dorsiflexion. After the training period, the pelvic lift was further decreased and an increase in hip adduction was concurrently seen. The results of this case study indicate a positive effect of the active dorsiflexion of the prosthetic foot but highlight the need for specific training after prescription of a microprocessor prosthetic foot.

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