Biomechanical analysis of ligament modelling techniques in TKA knees during laxity tests using a virtual joint motion simulator

Liam Montgomery, Jance McGale, Brent Lanting and Ryan Willing

Computer Methods in Biomechanics and Biomedical Engineering, 2024, vol. 27, issue 13, 1731-1743

Abstract: Total knee arthroplasty (TKA) is an end-stage treatment for knee osteoarthritis that relieves pain and loss of mobility, but patient satisfaction and revision rates require improvement. One cause for TKA revision is joint instability, which may be due to improper ligament balancing. A better understanding of the relationship between prosthesis design, alignment, and ligament engagement is necessary to improve component designs and surgical techniques to achieve better outcomes. We investigated the biomechanical effects of ligament model complexity and ligament wrapping during laxity tests using a virtual joint motion simulator. There was little difference in kinematics due to ligament complexity or ligament wrapping.

Date: 2024
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DOI: 10.1080/10255842.2023.2256925

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