Intercostal MusclesRibsDiaphragmIntercostal NervesMusclesRespiratory MusclesRespiratory MechanicsElectromyographyMuscle SpindlesPleural CavityRespirationThoracic NervesInhalationFunctional Residual CapacityMuscle ContractionPhrenic NerveDogsAbdominal MusclesMuscle, SkeletalRespiratory Physiological PhenomenaMuscle DenervationRespiratory Tract FistulaMyotonia CongenitaMuscle ProteinsMuscle, SmoothAirway ObstructionThoraxMuscle Fibers, SkeletalNADH Tetrazolium ReductaseMuscle, Smooth, VascularSternumElectromagnetic PhenomenaMuscle DevelopmentThoracic WallPressureElectric StimulationMotor NeuronsSpinal Nerve Roots