Diagnostic Techniques, Digestive SystemDiagnostic Techniques, Respiratory SystemMusclesRespiratory SystemDiagnostic Techniques and ProceduresSensitivity and SpecificityLung ComplianceRespiratory MechanicsMolecular Diagnostic TechniquesRespiratory Physiological PhenomenaAirway ResistanceDiagnostic Techniques, RadioisotopeDiagnostic Techniques, OtologicalMuscle ProteinsMuscle, SmoothDiagnostic Techniques, SurgicalMuscle, SkeletalRespiratory System AbnormalitiesMuscle Fibers, SkeletalMuscle, Smooth, VascularPolymerase Chain ReactionLung Volume MeasurementsAzure StainsMuscle DevelopmentDiagnostic Techniques, UrologicalMuscle ContractionDiagnostic Techniques, Obstetrical and GynecologicalDiagnostic Tests, RoutineLungFunctional Residual CapacityRespirationTidal VolumeClinical Laboratory TechniquesReproducibility of ResultsAir SacsAir PressureRespiration, ArtificialOscillometryRespiratory MusclesRespiratory Function TestsTomography, X-Ray ComputedCytodiagnosisTime FactorsDiagnostic Techniques, NeurologicalMuscle FatiguePulmonary VentilationMuscle Fibers, Fast-TwitchMuscle DenervationPositive-Pressure RespirationPredictive Value of TestsParasitologyRadionuclide ImagingMuscle Fibers, Slow-TwitchBiopsyBiopsy, NeedleRespiratory Tract DiseasesUltrasonographyMyocytes, Smooth MuscleDiagnostic Techniques, EndocrineEvaluation Studies as TopicMitochondria, Muscle