Intercostal MusclesRibsMuscle ContractionDiaphragmRespirationIntercostal NervesMusclesElectromyographyRespiratory MechanicsRespiratory MusclesMuscle SpindlesCell RespirationPleural CavityMuscle, SkeletalThoracic NervesInhalationMuscle, SmoothDogsFunctional Residual CapacityPhrenic NerveAbdominal MusclesRespiratory Physiological PhenomenaIsometric ContractionMuscle DenervationMuscle ProteinsMuscle, Smooth, VascularRespiratory Tract FistulaMyotonia CongenitaMuscle Fibers, SkeletalElectric StimulationAirway ObstructionThoraxNADH Tetrazolium ReductaseSternumElectromagnetic PhenomenaPressureMotor NeuronsMuscle DevelopmentOxygen ConsumptionMuscle FatigueUterine ContractionThoracic WallMyocardial ContractionCatsTidal VolumeSpinal Nerve Roots