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  • Title: A three-dimensional finite element analysis of the combined behavior of ligaments and menisci in the healthy human knee joint.
    Author: Peña E, Calvo B, Martínez MA, Doblaré M.
    Journal: J Biomech; 2006; 39(9):1686-701. PubMed ID: 15993414.
    Abstract:
    We present here a three-dimensional FE model of the healthy human knee that included the main structures of the joint: bones, all the relevant ligaments and patellar tendon, menisci and articular cartilages. Bones were considered to be rigid, articular cartilage and menisci linearly elastic, isotropic and homogeneous and ligaments hyperelastic and transversely isotropic. Initial strains on the ligaments and patellar tendon were also considered. This model was validated using experimental and numerical results obtained by other authors. Our main goal was to analyze the combined role of menisci and ligaments in load transmission and stability of the human knee. The results obtained reproduce the complex, nonuniform stress and strain fields that occur in the biological soft tissues involved and the kinematics of the human knee joint under a physiological external load.
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