NeurologyMuscular Atrophy, SpinalSpinal Muscular Atrophies of ChildhoodSurvival of Motor Neuron 1 ProteinAtrophySMN Complex ProteinsMuscular AtrophySurvival of Motor Neuron 2 ProteinSpinal CordMusclesMuscular Disorders, AtrophicBulbo-Spinal Atrophy, X-LinkedSpinal Cord InjuriesNeuronal Apoptosis-Inhibitory ProteinMuscle, SkeletalMotor NeuronsCyclic AMP Response Element-Binding ProteinAnterior Horn CellsBiobibliographyMuscle Fibers, SkeletalMuscle, SmoothRNA-Binding ProteinsNervous System DiseasesNerve Tissue ProteinsMuscle, Smooth, VascularSpinal Cord DiseasesMuscle DevelopmentMuscle ContractionOptic AtrophyMotor Neuron DiseaseRibonucleoproteins, Small NuclearMuscle DenervationMuscle WeaknessDEAD Box Protein 20Disease Models, AnimalElectromyographySpinal Nerve RootsExonsChromosomes, Human, Pair 5Injections, SpinalMuscle Fibers, Fast-TwitchSpinal NervesMuscle FatigueHistory, 19th CenturyMuscle Fibers, Slow-TwitchHistory, 20th CenturyCoiled BodiesMultiple System AtrophyAnesthesia, SpinalReceptors, AndrogenMagnetic Resonance ImagingsnRNP Core ProteinsSpinal Cord NeoplasmsMice, TransgenicSpinal CanalMitochondria, MuscleSpinal DiseasesMyocytes, Smooth MuscleSpinal Cord CompressionNeuromuscular JunctionPsychiatrySpinal NeoplasmsNeck MusclesPedigreePhenotypeOculomotor MusclesNeuromuscular DiseasesTime FactorsMuscle, StriatedMuscular DiseasesMuscle SpindlesBulbar Palsy, ProgressiveNeural ConductionSpinal StenosisAcademies and InstitutesAxonsRespiratory MusclesSpinal FusionMuscle RelaxationContractureCharcot-Marie-Tooth DiseaseNerve DegenerationBrainNeurosciencesPapillary MusclesMutationHeterozygote DetectionQuadriceps MuscleCells, CulturedArthrogryposisOlivopontocerebellar AtrophiesGene DeletionAbdominal MusclesGlycine-tRNA LigaseRats, Sprague-DawleyEpilepsyRNA, MessengerMuscle CellsVocal Cord ParalysisNeurologic Examination