title: Excitability of human gastrocnemius motor neurones at the time of the knee jerk.
mesh_terms: D004558:Electric Stimulation; D004576:Electromyography; D006801:Humans; D007719:Knee Joint / Q000502:physiology*; D009046:Motor Neurons / Q000502:physiology*; D009132:Muscles / Q000502:physiology*; D012018:Reflex