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Review of Knee Models: 1996 Update

[+] Author Affiliations
Mohamed Samir Hefzy, T. Derek V. Cooke

Departments of Orthopaedic Surgery and Biological and Medical Research, King Faisal Specialist Hospital and Research Centre, PO Box 3354, Dept MBC 77, Riyadh, 11211, Kingdom of Saudi Arabia

pp. S187-S193
From:

abstract

This paper is an update on our previous review of knee models (Hefzy and Grood [30]). We find that progress was made in the area of dynamic modeling. Since 1988, a technique was developed to solve the system of differential algebraic equations describing the three-dimensional dynamic behavior of the knee joint. This technique allows to solve complex problems. However, not a single dynamic comprehensive anatomically based mathematical three-dimensional model of the knee joint that includes both tibio-femoral and patello-femoral joints has yet been developed. In the area of meniscal modeling, we find that only one three-dimensional model of the knee joint that includes the menisci is available in the literature. This quasi-static model includes menisci, tibial, femoral and patellar cartilage layers, and ligamentous structures. This model is limited since it solves only for one position of the knee joint: full extension. From this updated survey, we conclude that the development of a comprehensive three-dimensional anatomically based mathematical model of the knee joint (that solves the three-body contact problem at the tibio-femoral joint between the menisci, tibia and femur, and includes the patello-femoral joint) continues to present major challenge.

Copyright © 1996 by American Society of Mechanical Engineers

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