Stroke victims trying to build their motor functions back up during recovery typically work with physical therapists on huge machines that combine the arm exercise capabilities of an elliptical with the slow-moving function of a treadmill, all while being held upright by a harness attached to the ceiling or some other overhead structure. The machines work, but they require a lot of money and space. To create something that was smaller and cheaper, University of Nebraska mechanical and materials engineering associate professor Carl Nelson worked with Dr. Judith Burnfield and her team at the Madonna Rehabilitation Hospital in Lincoln, Neb.
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