Abstract
In recent years, Japanese society has been aging, and patient of lifestyle related disease has been increasing too. It is high probability that Elderly people develop a stroke is one of lifestyle related disease than the other people. The patient and elderly people who are paralyzed by stroke are caused a muscle contracture. It is important to moderate exercise for prevent a muscle contracture. We verify the readiness-potential which is movement of plantar flexion and movement of dorsiflexion in voluntary and involuntary.
