A technique for locating virtual trajectories during dynamic tasks

The concept of impedance control has been extraordinarily helpful in organizing our understanding of posture and reaching movements, and may also be the key to developing a comprehensive theory of human motor control in which posture and movement are seen as special cases of general interactive behaviour. Experimental verification of this theory requires the ability to measure the virtual trajectory of the subject's limb. In this paper, we describe an approach to this problem and present some simulation results.

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