Intercostal MusclesRibsDiaphragmIntercostal NervesMusclesRespiratory MusclesRespiratory MechanicsElectromyographyMuscle SpindlesPleural CavityRespirationThoracic NervesInhalationFunctional Residual CapacityMuscle ContractionPhrenic NerveDogsAbdominal MusclesMuscle, SkeletalRespiratory Physiological PhenomenaMuscle DenervationRespiratory Tract FistulaMyotonia CongenitaMuscle ProteinsMuscle, SmoothAirway ObstructionMuscle Fibers, SkeletalNADH Tetrazolium ReductaseMuscle, Smooth, VascularThoraxSternumElectromagnetic PhenomenaMuscle DevelopmentThoracic WallPressureElectric StimulationMotor Neurons