title: Influence of task set on muscular responses to arm perturbations in normal subjects and Parkinson patients.
mesh_terms: D000328:Adult; D001132:Arm; D004576:Electromyography; D006801:Humans; D008297:Male; D008875:Middle Aged; D009068:Movement; D009119:Muscle Contraction; D009132:Muscles / Q000502:physiology*; D010300:Parkinson Disease / Q000503:physiopathology*; D011187:Posture; D013647:Task Performance and Analysis; D013997:Time Factors