Intercostal MusclesRibsDiaphragmRespirationIntercostal NervesMusclesRespiratory MechanicsRespiratory MusclesElectromyographyMuscle SpindlesCell RespirationPleural CavityThoracic NervesInhalationFunctional Residual CapacityMuscle ContractionPhrenic NerveDogsAbdominal MusclesRespiratory Physiological PhenomenaMuscle, SkeletalMuscle DenervationRespiratory Tract FistulaMyotonia CongenitaMuscle ProteinsMuscle, SmoothAirway ObstructionMuscle Fibers, SkeletalNADH Tetrazolium ReductaseThoraxMuscle, Smooth, VascularSternumElectromagnetic PhenomenaMuscle DevelopmentThoracic WallOxygen ConsumptionPressureTidal VolumeMotor NeuronsElectric Stimulation