Paraplegics and the elderly often face problems with their joints and muscle movements. When stuck to bed owing to their illness, patients tend to develop contraction of muscles that could be irreversible, and regular range of motion exercises through physiotherapy is the only alternative left. There are a few muscle and joint extractors available to assist, but Tail-wrist-II seems to be a novel makeover in the category. Developed by Hideyuki Tsukakoshi, assistant professor of Mechanical Control Systems at the Tokyo Institute of Technology, the Tail-wrist-II is designed to prevent contraction of muscles and joints.
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