Tonic acitivity of the diaphragm evoked by muscle effort.
D000818:Animals; D002415:Cats; D003655:Decerebrate State; D003964:Diaphragm / Q000502:physiology*; D004285:Dogs; D007366:Intercostal Muscles / Q000502:physiology; D008124:Locomotion; D009119:Muscle Contraction; D010146:Pain