Effect of a knee-ankle-foot orthosis on knee kinematics and kinetics in an individual with varus knee alignment

Alfatafta, HH, Hutchins, SW, Liu, A ORCID: https://orcid.org/0000-0001-9416-1726 and Jones, R ORCID: https://orcid.org/0000-0001-5242-185X 2016, 'Effect of a knee-ankle-foot orthosis on knee kinematics and kinetics in an individual with varus knee alignment' , Journal of Prosthetics and Orthotics, 28 (4) , pp. 186-190.

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Background: Knee valgus braces are used to reduce knee load and varus deformities in individuals with medial compartment osteoarthritis (OA). The purpose of this study was to determine whether the kinematics and kinetics of the knee are improved when wearing a knee-ankle-foot orthosis (KAFO) compared with knee valgus braces while walking and stair climbing. Materials and Methods: One male individual (with 10° of knee varus) was assessed with a control shoe, custom, and off-the-shelf (OTS) Unloader knee valgus braces, and a custom-made KAFO in situ during walking and stair climbing. Results: The KAFO significantly reduced the knee varus angle compared with the shoe and both knee valgus braces during walking and stair climbing, as well as the first peak of the external knee adduction moment (EKAM) during walking and the knee adduction angular impulse (KAAI) during ascending compared with the shoe. No significant differences were noted between the custom and OTS knee valgus braces in any measures. Conclusions: Knee-ankle-foot orthoses may be recommended for individuals with high knee varus angles.

Item Type: Article
Schools: Schools > School of Health Sciences
Journal or Publication Title: Journal of Prosthetics and Orthotics
Publisher: LWW Journals
ISSN: 1040-8800
Related URLs:
Depositing User: USIR Admin
Date Deposited: 18 Aug 2017 11:18
Last Modified: 27 Aug 2021 20:43
URI: https://usir.salford.ac.uk/id/eprint/43560

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