Intercostal MusclesRibsDiaphragmRespiratory MusclesRespiratory MechanicsInhalationElectromyographyRespirationPhrenic NerveThoracic WallDogsIntercostal NervesMusclesMuscle ContractionMuscle SpindlesPleural CavityThoracic NervesFunctional Residual CapacityAbdominal MusclesRespiratory Physiological PhenomenaMuscle, SkeletalMuscle DenervationRespiratory Tract FistulaMyotonia CongenitaMuscle ProteinsMuscle, SmoothLung Volume MeasurementsAirway ObstructionNADH Tetrazolium ReductaseMuscle Fibers, SkeletalMuscle, Smooth, VascularThoraxSternum