Muscular Atrophy, SpinalSpinal Muscular Atrophies of ChildhoodSurvival of Motor Neuron 1 ProteinSMN Complex ProteinsSurvival of Motor Neuron 2 ProteinMuscular AtrophyContractureCyclic AMP Response Element-Binding ProteinAtrophyRNA-Binding ProteinsSpinal CordNerve Tissue ProteinsNeuronal Apoptosis-Inhibitory ProteinExonsMotor NeuronsAnterior Horn CellsMuscular Disorders, AtrophicBulbo-Spinal Atrophy, X-LinkedSpinal Cord InjuriesDupuytren ContractureRibonucleoproteins, Small NuclearDEAD Box Protein 20Chromosomes, Human, Pair 5Spinal Cord DiseasesCoiled BodiesMotor Neuron DiseasesnRNP Core ProteinsDisease Models, AnimalArthrogryposisOptic AtrophyPedigreeHip ContractureHeterozygote DetectionMuscle, SkeletalGlycine-tRNA LigaseSpinal Nerve RootsPhenotypeMice, TransgenicInjections, SpinalGene DeletionNeuromuscular Junction DiseasesHomozygoteSpinal NervesRNA SplicingNeuromuscular JunctionElectromyographyMultiple System AtrophyAnesthesia, SpinalAxonsNerve DegenerationReceptors, AndrogenCharcot-Marie-Tooth DiseaseNeuromuscular DiseasesMutationGene DosageMuscle WeaknessSpinal Cord NeoplasmsGenes, RecessiveSpinal CanalVocal Cord ParalysisSpinal DiseasesSpinal Cord CompressionNeural ConductionGenetic LinkageGenes, DominantChemistry, AnalyticSpinal NeoplasmsFasciculationMusclesPrenatal DiagnosisSpliceosomesGenetic CounselingRespiratory ParalysisAlternative SplicingAmyotrophic Lateral SclerosisBulbar Palsy, ProgressiveSpinal StenosisMagnetic Resonance ImagingMuscular DystrophiesSpinal FusionIschemic Contracture