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Understanding how stretch sensitive reflexes contribute to the coordination of whole arm posture and movement is best understood in the context of multijoint perturbations. However, it is difficult to assess the mechanisms contributing to reflex activity during such unconstrained tasks due to the uncertainties associated with estimating the relative importance of biomechanical and neural coupling...
This paper overviews our recent efforts to develop robotic devices to help people relearn how to walk after spinal cord injury. Our efforts are focused on two goals. The first is to develop robotic devices that allow natural gait movements and good force control. We have developed a five degrees-of-freedom robot (PAM) that accommodates natural pelvic movement during walking. PAM uses pneumatic actuators...
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