Stair dimension affects knee kinematics and kinetics in patients with good outcome after TKA similarly as in healthy subjects

Trinler, UK, Baty, F, Mündermann, A, Fenner, V, Behrend, H, Jost, B and Wegener, R 2016, 'Stair dimension affects knee kinematics and kinetics in patients with good outcome after TKA similarly as in healthy subjects' , Journal of Orthopaedic Research, 34 (10) , pp. 1753-1761.

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Abstract

Joint biomechanics during stair walking may contain important information on functional deficits in patients with orthopaedic conditions but depend on the stair dimension. The goal of this study was to compare knee kinematics and kinetics between patients with good outcome 2 years after total knee arthroplasty (TKA) and age‐matched controls during stair ascent and descent at two different stair heights. Principal component analysis was used to detect differences in gait mechanics between 15 patients and 15 controls at different stair conditions. Linear mixed models showed differences in knee kinematic and kinetic patterns (in flexion/extension and abduction/adduction) between stair heights. The knee adduction angle was more affected by stair heights in stair ascending whereas knee adduction moment and knee power were more affected during stair descent. Some stair by height and subject effects were small but not significant. Overall, good outcome after TKA is reflected in close‐to‐normal knee biomechanics during stair walking. Specific stair configuration must be considered when comparing joint biomechanics between subject groups and studies.

Item Type: Article
Uncontrolled Keywords: Orthopedics and Sports Medicine
Schools: Schools > School of Health and Society > Centre for Health Sciences Research
Journal or Publication Title: Journal of Orthopaedic Research
Publisher: Wiley
ISSN: 1554-527X
Related URLs:
SWORD Depositor: Publications Router
Depositing User: Publications Router
Date Deposited: 21 Aug 2018 09:07
Last Modified: 10 Oct 2018 07:51
URI: http://usir.salford.ac.uk/id/eprint/48091

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