Physical therapists have a variety of tools to help patients with neurological or orthopedic injuries regain control of their muscles. There are balls and boards to improve balance, stretchy bands to increase strength, and a host of exercises to help with rehabilitation. Now, as Marveline Dandin reports, a robot can help therapists better target their patients' workouts by assisting movement and monitoring nerve impulses in their muscles. George Putic narrates.
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