Abstract:A new electric powet assist unit for wheelchairs (JW-II; YAMAHA MOTOR Co., LTD.) has become available. With this unit, a little muscle power is needed to drive the handrim. The usefulness of this unit was clinically evaluated for four patients with Duchenne muscular dystrophy (DMD). None of the patients were ambulatory, and their upper limb muscular power was gravity eliminated. Although they had decreased muscle power, all four patients were able to drive their wheelchairs. Neither roll down nor pile up accid… Show more
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