title: [Postural responses to a sudden forward tilting force in Parkinson's disease--analysis of surface electromyograms of leg muscles and in silent periods].
mesh_terms: D000328:Adult; D000368:Aged; D004576:Electromyography; D005260:Female; D006801:Humans; D007866:Leg; D008297:Male; D008875:Middle Aged; D009132:Muscles / Q000503:physiopathology*; D010300:Parkinson Disease / Q000503:physiopathology*; D011187:Posture; D012018:Reflex