title: Excitation frequency and muscle fatigue: electrical responses during human voluntary and stimulated contractions.
mesh_terms: D004558:Electric Stimulation; D004576:Electromyography; D005071:Evoked Potentials; D006801:Humans; D009119:Muscle Contraction; D009132:Muscles / Q000294:innervation / Q000502:physiology*; D009431:Neural Conduction; D012032:Refractory Period, Electrophysiological; D014459:Ulnar Nerve / Q000502:physiology