Spinal Cord InjuriesSpinal CordParaplegiaSpinal Cord DiseasesQuadriplegiaSpinal Cord CompressionSpinal Cord NeoplasmsRecovery of FunctionSpinal Cord IschemiaCervical VertebraeInjections, SpinalSpinal Cord RegenerationNerve RegenerationThoracic VertebraeAutonomic DysreflexiaMotor NeuronsParalysisSpinal Nerve RootsUrinary Bladder, NeurogenicRats, Sprague-DawleyLocomotionSpinal InjuriesSpinal NervesWounds and InjuriesWheelchairsElectric Stimulation TherapyAxonsContusionsLaminectomyDisease Models, AnimalMyelitisSpinal CanalMuscle SpasticitySpinal NeoplasmsLumbosacral RegionPosterior Horn CellsAnesthesia, SpinalPressure UlcerNeuralgiaCordotomyBrain InjuriesTime FactorsMotor ActivityInjury Severity ScoreSpinal DiseasesGanglia, SpinalAnterior Horn CellsPainUmbilical CordElectromyographyPyramidal TractsNeuronsSpinal StenosisReflexSpinal FusionHindlimbHyperalgesiaAthletic InjuriesChondroitin ABC LyaseSpinal Cord StimulationElectric StimulationMyelin SheathMyelographyEvoked Potentials, SomatosensoryOligodendrogliaSpasmNeurogliaUrinary CatheterizationAfferent PathwaysPain MeasurementGait Disorders, NeurologicNeuronal PlasticityEpidural SpacePhysical StimulationImmunohistochemistryHematoma, Epidural, SpinalReperfusion InjuryAstrocytesGlial Fibrillary Acidic ProteinMagnetic Resonance ImagingMuscular Atrophy, SpinalSpineNeuroprotective AgentsLumbar VertebraeNeck InjuriesNeurons, AfferentNeurologic ExaminationUrinary BladderRespiratory ParalysisEfferent PathwaysMuscle, SkeletalNociceptorsMicrogliaAnalysis of VarianceGliosisTreatment OutcomeWalkingRats, WistarSyringomyeliaReflex, Abnormal