Neuromuscular DiseasesMuscular DystrophiesRespiratory InsufficiencyPoint MutationMyotonic DystrophyMutation, MissenseHypoventilationMuscular Dystrophy, DuchenneMutationRespiratory MusclesTracheostomyNADH Tetrazolium ReductaseMuscular Atrophy, SpinalNeuromuscular Junction DiseasesMuscular Dystrophy, FacioscapulohumeralTracheotomyArthrogryposisRespiratory TherapyRespiration, ArtificialInsufflationFrameshift MutationIntermittent Positive-Pressure VentilationMuscular DiseasesHereditary Sensory and Motor NeuropathyMuscle, SkeletalMasksMyasthenia GravisSpinal Muscular Atrophies of ChildhoodPositive-Pressure RespirationGerm-Line MutationMyographyOphthalmoplegiaAmyotrophic Lateral SclerosisVentilators, MechanicalMuscle WeaknessSMN Complex ProteinsRespiration DisordersSurvival of Motor Neuron 1 ProteinGuillain-Barre SyndromeCharcot-Marie-Tooth DiseasePedigreeElectric ImpedanceDystrophinMyositisBase SequenceCoughMusclesMuscle Fibers, SkeletalVentilator WeaningMuscular AtrophySleep Apnea SyndromesMolecular Sequence DataScoliosisMutation RateMice, Inbred mdxMucusRespiratory Function TestsVital Capacity