title: The effects of double activations of single motor units on discharge patterns of primary muscle spindle endings in the cat.
mesh_terms: D000200:Action Potentials; D000818:Animals; D002415:Cats; D004558:Electric Stimulation; D009046:Motor Neurons / Q000502:physiology*; D009119:Muscle Contraction; D009470:Muscle Spindles / Q000502:physiology*; D009132:Muscles / Q000294:innervation*; D013997:Time Factors