Intercostal MusclesRibsDiaphragmRespirationIntercostal NervesRespiratory MechanicsRespiratory MusclesMusclesElectromyographyMuscle SpindlesCell RespirationSleep Apnea, ObstructivePulmonary Disease, Chronic ObstructivePleural CavityInhalationThoracic NervesFunctional Residual CapacityMuscle ContractionPhrenic NerveRespiratory Physiological PhenomenaDogsAbdominal MusclesMuscle, SkeletalLung Diseases, ObstructiveMuscle DenervationAirway ObstructionRespiratory Tract FistulaMuscle ProteinsMyotonia CongenitaMuscle, SmoothMuscle Fibers, SkeletalThoraxNADH Tetrazolium ReductaseMuscle, Smooth, VascularJaundice, ObstructiveSternumElectromagnetic PhenomenaThoracic WallOxygen ConsumptionMuscle DevelopmentPressureTidal VolumeAirway ResistanceMotor NeuronsElectric Stimulation