Title: Load sharing and ligament strains in balanced, overstuffed and understuffed UKA. A validated finite element analysis
Authors: Innocenti, Bernardo ×
Bilgen, Ömer Faruk
Labey, Luc
van Lenthe, Harry
Vander Sloten, Jos
Catani, Fabio #
Issue Date: Jul-2014
Publisher: Churchill Livingstone
Series Title: Journal of Arthroplasty vol:29 issue:7 pages:1491-8
Article number: 10.1016/j.arth.2014.01.020
Abstract: The aim of this study was to quantify the effects of understuffing and overstuffing UKA on bone stresses, load distribution and ligament strains. For that purpose, a numerical knee model of a cadaveric knee was developed and was validated against experimental measurements on that same knee. Good agreement was found among the numerical and experimental results. This study showed that, even if a medial UKA is well-aligned with normal soft tissue tension and with correct thickness of the tibia component, it induces a stiffness modification in the joint that alters the load distribution between the medial and lateral compartments, the bone stress and the ligament strain potentially leading to an osteoarthritic progression.
ISSN: 0883-5403
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Technologiecluster Werktuigkundige Industriƫle Ingenieurstechnieken
Mechanical Engineering Technology TC, Technology Campus Geel
Biomechanics Section
× corresponding author
# (joint) last author

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