Muscle spindle responses to concomitant variations in lenght and in fusimotor activation.
D000818:Animals; D002415:Cats; D007366:Intercostal Muscles; D009046:Motor Neurons / Q000502:physiology; D009119:Muscle Contraction; D009470:Muscle Spindles / Q000502:physiology*; D009132:Muscles / Q000294:innervation / Q000502:physiology*; D009469:Neuromuscular Junction / Q000502:physiology*