Finding ways to assist and care for the growing elderly population in many developed countries is a growing problem. One challenge is to work out how to improve the strength and utility of ageing limbs.
Yoshiyuki Sankai at the University of Tsukuba near Tokyo, has developed an exoskeleton for a single arm that can do just that.
The device consists of a tabard worn over the shoulders with a motorised exoskeleton for one arm attached. The exoskeleton senses the angle, torque and nerve impulses in the arm and then assists the user to move his or her shoulder and elbow joints accordingly.
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