Impairment of postural reflexes in Parkinson's disease.
D000368:Aged; D004576:Electromyography; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D009119:Muscle Contraction; D009132:Muscles; D010300:Parkinson Disease / Q000175:diagnosis* / Q000503:physiopathology; D011187:Posture; D012018:Reflex; D012782:Shoulder