title: Muscular contractions elicited by passive shortening.
mesh_terms: D000328:Adult; D000368:Aged; D002524:Cerebellar Ataxia / Q000503:physiopathology; D004576:Electromyography; D006801:Humans; D008297:Male; D008465:Mechanoreceptors / Q000503:physiopathology; D008875:Middle Aged; D009046:Motor Neurons / Q000502:physiology; D009119:Muscle Contraction; D009132:Muscles / Q000294:innervation*; D010300:Parkinson Disease / Q000503:physiopathology; D011712:Pyramidal Tracts / Q000503:physiopathology; D012026:Reflex, Stretch