title: A comparison of H reflex at the onset of a voluntary movement or a polysynaptic reflex.
mesh_terms: D004576:Electromyography; D006801:Humans; D009068:Movement; D009119:Muscle Contraction; D009132:Muscles / Q000294:innervation* / Q000502:physiology; D012018:Reflex; D012023:Reflex, Monosynaptic; D013569:Synapses / Q000502:physiology*