Respiratory MusclesDiaphragmBreathing ExercisesInhalationWork of BreathingNeuromuscular DiseasesMuscle StrengthRespiratory MechanicsRespiratory Function TestsMusclesMuscle WeaknessVital CapacityTotal Lung CapacityRespirationIntercostal MusclesPressureMuscle FatigueMuscle, SkeletalHypercapniaMaximal Voluntary VentilationAbdominal MusclesMuscle ContractionMuscle ProteinsMuscle Fibers, SkeletalMuscle, SmoothInspiratory CapacityRespiratory ParalysisElectromyographyDyspneaMuscle, Smooth, VascularLung Volume MeasurementsMuscle DevelopmentRespiratory InsufficiencyPulmonary VentilationPhysical EnduranceMuscular DiseasesExercise ToleranceLung Diseases, ObstructiveVentilator WeaningMuscle Fibers, Fast-TwitchThoraxNeck MusclesMuscle Fibers, Slow-TwitchPhrenic NerveSpirometryMuscular AtrophyRespiration, ArtificialMaximal Expiratory Flow RateResidual VolumeMuscle DenervationTidal VolumeQuadriceps MuscleRibsAir PressureOxygen ConsumptionRespiratory Physiological PhenomenaThoracic WallPulmonary Disease, Chronic ObstructiveExerciseExercise TestHypoventilationMuscular Dystrophy, DuchenneMitochondria, MuscleMuscle, StriatedMyocytes, Smooth MuscleIsometric ContractionMuscle RelaxationForced Expiratory VolumeAirway ResistanceXiphoid BoneCarbon DioxideOculomotor MusclesRespiration DisordersMice, Inbred mdxMuscular DystrophiesRespiratory TherapyLungPhysical ExertionPulmonary Gas ExchangeQuadriplegiaGymnasticsBlood Gas AnalysisPapillary MusclesExhalationLegPlethysmography, ImpedanceRectus AbdominisMuscle SpindlesTime FactorsPostpoliomyelitis SyndromeElectric StimulationPain, ReferredHyperventilationChlorfenvinphosFunctional Residual CapacitySupinationMasseter MuscleBicyclingFacial MusclesMasticatory Muscles