ZDNet has a story about Robot therapy for stroke victims who have lost all or part of the ability to move their arm. The patient plays interactive video games and the shoulder-elbow robot helps a patient move an arm. As the patient progresses, the robot backs off and helps them less and less. Results and stats are given to the clinicians to help diagnose the patient's recovery and progress. American Society of Neurorehabilitation plan a demonstration of the InMotion2 robot on May 4th. MIT studies have shown that robot therapy can have significant benefit for stroke victims. You can read more (but older) articles here and here and here and here.