ParalysisSpinal CordSpinal Cord InjuriesRespiratory ParalysisSpinal Cord DiseasesVocal Cord ParalysisSpinal Cord CompressionSpinal Cord NeoplasmsParalyses, Familial PeriodicFacial ParalysisSpinal Cord IschemiaParaplegiaInjections, SpinalSleep ParalysisTick ParalysisSpinal Nerve RootsMotor NeuronsSpinal NervesQuadriplegiaSpinal Cord RegenerationCervical VertebraeSpinal CanalSpinal NeoplasmsAnesthesia, SpinalParalysis, Hyperkalemic PeriodicThoracic VertebraeSpinal DiseasesLaminectomyUmbilical CordRecovery of FunctionPosterior Horn CellsRats, Sprague-DawleyMyelitisNerve RegenerationAxonsLumbosacral RegionAnterior Horn CellsLocomotionSpinal InjuriesSpinal FusionSpinal StenosisCordotomyGanglia, SpinalSpinal Cord StimulationMuscle HypotoniaMuscular Atrophy, SpinalDisease Models, AnimalNeuronsPoliomyelitisElectric Stimulation Therapy