title: Superposition of motor programs--II. Rapid forearm flexion in man.
mesh_terms: D055592:Biophysical Phenomena; D001703:Biophysics; D004550:Elbow; D004576:Electromyography; D006801:Humans; D008433:Mathematics; D009046:Motor Neurons / Q000502:physiology*; D009068:Movement; D009119:Muscle Contraction; D009132:Muscles / Q000502:physiology*; D009424:Nervous System Physiological Phenomena