title: The question of spontaneous electrical activity of motor units in man.
mesh_terms: D000200:Action Potentials; D000293:Adolescent; D000328:Adult; D001132:Arm; D004576:Electromyography; D006801:Humans; D007866:Leg; D008297:Male; D009132:Muscles / Q000502:physiology*; D009469:Neuromuscular Junction / Q000502:physiology*