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

Trinler, Ursula K. and Baty, Florent and Mündermann, Annegret and Fenner, Verena and Behrend, Henrik and Jost, Bernhard and Wegener, Regina. (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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Official URL: http://edoc.unibas.ch/58575/

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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. © 2016 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 34:1753-1761, 2016.
Faculties and Departments:03 Faculty of Medicine > Bereich Operative Fächer (Klinik) > Bewegungsapparat und Integument > Traumatologie / Orthopädie (Jakob)
03 Faculty of Medicine > Departement Klinische Forschung > Bereich Operative Fächer (Klinik) > Bewegungsapparat und Integument > Traumatologie / Orthopädie (Jakob)
03 Faculty of Medicine > Departement Biomedical Engineering > Biomechanics and Biomaterials
UniBasel Contributors:Mündermann, Annegret
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Wiley
ISSN:0736-0266
e-ISSN:1554-527X
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:07 Feb 2019 19:04
Deposited On:07 Feb 2019 19:04

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