Musculoskeletal models are widely used in biomechanics today to better understand muscle and joint function. Musculo-tendon forces as well as joint contact forces and ligament forces can be estimated within an inverse dynamics computational framework. Using a musculoskeletal model of the lower limb, this chapter presents the different optimisations required to drive the model with experimental data and to compute these forces and their interactions. In these optimisations, the development of anatomical constraints representing, for example, the medial and lateral tibiofemoral contacts or the cruciate ligaments is crucial both to inverse kinematics and to inverse dynamics. Some emblematic results are presented for knee contact forces and ligament forces during gait, illustrating the couplings between joint degrees of freedom and the interactions between forces acting both in muscles and in joints.
CITATION STYLE
Dumas, R., Cheze, L., & Moissenet, F. (2019). Multibody optimisations: From kinematic constraints to knee contact forces and ligament forces. In Springer Tracts in Advanced Robotics (Vol. 124, pp. 65–89). Springer Verlag. https://doi.org/10.1007/978-3-319-93870-7_4
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