PolymyositisNeuromuscular DiseasesDermatomyositisMyositisMuscular DystrophiesMuscular Atrophy, SpinalMyotonic DystrophySurvival of Motor Neuron 1 ProteinSpinal Muscular Atrophies of ChildhoodMuscular DiseasesSurvival of Motor Neuron 2 ProteinMuscular Dystrophy, DuchenneMyopathies, NemalineMuscle, SkeletalMuscular Dystrophy, FacioscapulohumeralMuscle WeaknessSMN Complex ProteinsMuscular Dystrophies, Limb-GirdleElectromyographyMusclesHistidine-tRNA LigaseRespiratory InsufficiencyLung Diseases, InterstitialRespiratory MusclesCharcot-Marie-Tooth DiseaseDystrophinMyositis, Inclusion BodyMuscle Fibers, SkeletalBipolar DisorderMutationPedigreeMuscle ProteinsPrednisoloneMental DisordersAutoantibodiesMotor NeuronsAnxiety DisordersMood DisordersParaneoplastic SyndromesConnective Tissue DiseasesMutation, MissenseCreatine KinaseRNA-Binding ProteinsCyclic AMP Response Element-Binding ProteinExonsScleroderma, SystemicPhenotypeAutoimmune DiseasesMyoglobinuriaNervous System Autoimmune Disease, ExperimentalNerve Tissue ProteinsDisease Models, AnimalMediastinal EmphysemaAntibodies, AntinuclearDiagnostic and Statistical Manual of Mental DisordersMolecular Sequence DataImmunosuppressive AgentsMixed Connective Tissue DiseaseBiopsyAdrenal Cortex Hormones