Spinal Cord InjuriesSpinal CordParaplegiaQuadriplegiaRecovery of FunctionParalysisAccidents, TrafficNerve RegenerationCervical VertebraeInjury Severity ScoreMuscle SpasticityThoracic VertebraeAccidental FallsSpinal Cord DiseasesTime FactorsDisability EvaluationRats, Sprague-DawleyAxonsSpinal Cord CompressionDisease Models, AnimalSpinal Cord NeoplasmsActivities of Daily LivingMicrogliaContusionsMotor ActivityHematoma, Epidural, SpinalRetrospective StudiesAstrocytesAcute DiseaseSpinal Cord IschemiaMagnetic Resonance ImagingInjections, SpinalThrombophlebitisTreatment OutcomeAge FactorsSpinal Nerve RootsSpinal NervesMotor NeuronsSpinal Cord RegenerationSpinal CanalSpinal NeoplasmsAnesthesia, SpinalSpinal DiseasesUmbilical CordPosterior Horn CellsLaminectomyLumbosacral RegionSpinal StenosisGanglia, SpinalSpinal Cord StimulationLocomotionSpinal FusionSpinal InjuriesAnterior Horn CellsMyelitisCordotomyMuscular Atrophy, SpinalPainNeuronsHyperalgesiaElectric Stimulation TherapyNeuralgiaMyelography