DiaphragmVestibular Nucleus, LateralPhotomicrographyMedulla OblongataElectromyographyPhrenic NerveRespiratory ParalysisIntercostal MusclesRespiratory MusclesContraceptive Devices, FemaleMuscle ContractionRespiratory MechanicsMuscle FatigueAbdominal MusclesRespirationInhalationPodocytesDiaphragmatic EventrationMuscle WeaknessRibsMice, Inbred mdxNeuromuscular JunctionMusclesIsotonic ContractionMuscular Dystrophy, AnimalPressureMuscle Fibers, SkeletalLung Volume MeasurementsMotor EndplateMuscle DenervationMyosin Heavy ChainsTotal Lung CapacityWork of BreathingMuscle, SkeletalPleural CavityMuscular Atrophy