Marsden, C D Servo action and stretch reflex in human muscle and its apparent dependence on peripheral sensation. [electronic resource] - The Journal of physiology Jul 1971 - 21P-22P p. digital Publication Type: Journal Article ISSN: 0022-3751 Subjects--Topical Terms: Anesthesia, LocalHumansMuscle ContractionMuscle Spindles--physiologyMuscles--physiologyReflexThumb--physiologyTouch