Journal article

A Three-Dimensional Musculoskeletal Model of the Human Knee Joint. Part 1: Theoretical Construct.

MARCUS G Pandy, KOTARO Sasaki, SEONPIL Kim

Computer Methods in Biomechanics & Biomedical Engineering | Published : 1998

Abstract

A three-dimensional model of the knee is developed to study the interactions between the muscles, ligaments, and bones during activity. The geometry of the distal femur, proximal tibia, and patella is based on cadaver data reported for an average-size knee. The shapes of the femoral condyles are represented by high-order polynomials; the tibial plateaux and patellar facets are approximated as flat surfaces. The contacting surfaces of the femur and tibia are modeled as deformable, while those of the femur and patella are assumed to be rigid. Interpenetration of the femur and tibia is taken into account by modeling cartilage as a thin, linear, elastic layer, mounted on rigid bone. Twelve elast..

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