Cross-country skiing biomechanics using measurement driven full-body simulations

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(Joakim Holmberg, 18. February, 2008 )

Studies of cross-country skiing biomechanics is traditionally based on measurements alone. Performing musculoskeletal simulations of cross-country skiing enhances the possibilities for studies of technique, equipment and injury prevention. The simulation model is based on the full-body model from the AnyBody model repository and measured boundary conditions (motion and pole forces). Results show consistency with literature and also reveal new information of load distribution between muscles. This application shows that it can be possible to use inverse dynamics and static optimization (i.e. the technology behind AnyBody) on rather fast and complex full-body motion. Furthermore, it shows one way of driving symmetrical movements that takes place mainly in the sagittal plane.

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