Intercostal MusclesRespiratory MusclesRibsDiaphragmMusclesRespirationRespiratory MechanicsElectromyographyInhalationAbdominal MusclesIntercostal NervesMuscle, SkeletalMuscle ContractionBreathing ExercisesMuscle SpindlesMuscle ProteinsMuscle WeaknessMuscle, SmoothWork of BreathingMuscle FatiguePhrenic NerveMuscle Fibers, SkeletalCell RespirationRespiratory Physiological PhenomenaFunctional Residual CapacityMuscle, Smooth, VascularMuscle DenervationPleural CavityThoracic NervesDogsMaximal Voluntary VentilationPressureMuscle DevelopmentThoraxNeuromuscular DiseasesThoracic WallMuscle StrengthRespiratory Function TestsOxygen ConsumptionTidal VolumeMyotonia CongenitaRespiratory Tract FistulaAirway ObstructionInspiratory CapacityRespiratory ParalysisMuscle Fibers, Fast-TwitchMitochondria, MuscleAirway ResistanceMuscle Fibers, Slow-TwitchNeck MusclesNADH Tetrazolium ReductaseVital CapacityElectric StimulationMotor NeuronsDyspneaLung Volume MeasurementsMyocytes, Smooth MusclePulmonary VentilationRespiratory InsufficiencySternumElectromagnetic PhenomenaPhysical ExertionPhysical EnduranceOculomotor MusclesMuscular DiseasesMuscle, StriatedQuadriceps MuscleCatsMuscular AtrophyMuscle RelaxationReflexLungPapillary MusclesExercise ToleranceVentilator WeaningLung Diseases, ObstructiveHypercapniaSpinal Nerve Roots