Intercostal MusclesRibsDiaphragmIntercostal NervesMusclesRespiratory MechanicsRespiratory MusclesElectromyographyMuscle SpindlesRib FracturesPleural CavityRespirationThoracic NervesFunctional Residual CapacityInhalationMuscle ContractionPhrenic NerveAbdominal MusclesDogsMuscle, SkeletalRespiratory Physiological PhenomenaMuscle DenervationRespiratory Tract FistulaMyotonia CongenitaMuscle ProteinsMuscle, SmoothThoraxSternumThoracic WallAirway ObstructionNADH Tetrazolium ReductaseMuscle Fibers, SkeletalMuscle, Smooth, VascularElectromagnetic PhenomenaMuscle DevelopmentPressureElectric StimulationMotor NeuronsTidal Volume