A novel method to accurately recreate in vivo loads and kinematics in computational models of the knee

Michael J. Dreyer, Paul Kneifel, Seyyed Hamed Hosseini Nasab, Bernhard Weisse and William R. Taylor

Computer Methods in Biomechanics and Biomedical Engineering, 2024, vol. 27, issue 7, 860-866

Abstract: Despite availability of in vivo knee loads and kinematics data, conventional load- and displacement-controlled configurations still can’t accurately predict tibiofemoral loads from kinematics or vice versa. We propose a combined load- and displacement-control method for joint-level simulations of the knee to reliably reproduce in vivo contact mechanics. Prediction errors of the new approach were compared to those of conventional purely load- or displacement-controlled models using in vivo implant loads and kinematics for multiple subjects and activities (CAMS-Knee dataset). Our method reproduced both loads and kinematics more closely than conventional models and thus demonstrates clear advantages for investigating tibiofemoral contact or wear.

Date: 2024
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DOI: 10.1080/10255842.2023.2206934

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