Abstract
The goal of this study is to apply a task-space approach to characterize muscle force contributions to the body center of mass during human gait taking into account the contacts with the environment and the constraints in the musculoskeletal system. Motion capture, electromyography and force plate data were taken from a male subject walking at free speed. The obtained data were used together with a full-body musculoskeletal model to generate and to analyze the simulation of one complete gait cycle. The contribution of the muscles spanning the lower body joints to the body center of mass acceleration were calculated using a task-space approach which was successfully applied to analyze human dynamic motions in our previous studies. The results showed that gluteus medius, vasti, biceps femoris long head and short head, tibialis anterior, medial gastrocnemius, rectus femoris and soleus were the primary contributors to gait at free speed. The study provides an approach for in depth motion analysis including the effects of contact forces and joint mechanics as well as physiological constraints, muscle dynamics and actuation.
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Acknowledgements
The financial support of Honda Company is gratefully acknowledged. The authors would like to thank Thor Besier and Jason Wheeler for their assistance with the motion capture experiments.
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© 2012 Springer Science+Business Media Dordrecht
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Demircan, E., Khatib, O. (2012). Constraint-Consistent Analysis of Muscle Force Contributions to Human Gait. In: Lenarcic, J., Husty, M. (eds) Latest Advances in Robot Kinematics. Springer, Dordrecht. https://doi.org/10.1007/978-94-007-4620-6_38
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DOI: https://doi.org/10.1007/978-94-007-4620-6_38
Publisher Name: Springer, Dordrecht
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