Intercostal MusclesRibsDiaphragmBone and BonesIntercostal NervesMusclesRespiratory MusclesRespiratory MechanicsElectromyographyMuscle SpindlesPleural CavityRespirationThoracic NervesInhalationFunctional Residual CapacityMuscle ContractionPhrenic NerveDogsAbdominal MusclesBone RemodelingMuscle, SkeletalRespiratory Physiological PhenomenaMuscle DenervationRespiratory Tract FistulaMyotonia CongenitaMuscle ProteinsMuscle, SmoothBone DensityAirway ObstructionMuscle Fibers, SkeletalNADH Tetrazolium ReductaseMuscle, Smooth, VascularThoraxSternumElectromagnetic PhenomenaBone ResorptionMuscle DevelopmentThoracic WallBone MarrowPressureMotor NeuronsElectric StimulationBone Neoplasms