Spinal Cord CompressionCervical VertebraeSpinal StenosisSpinal CordSpinal Cord InjuriesSpinal NeoplasmsLaminectomySpinal Cord DiseasesSpinal Cord NeoplasmsSpinal CanalDecompression, SurgicalMyelographyThoracic VertebraeQuadriplegiaSpinal DiseasesMagnetic Resonance ImagingSpondylosisEpidural NeoplasmsLumbar VertebraeEpidural SpaceParaplegiaSpinal OsteophytosisSpinal FusionHematopoiesis, ExtramedullaryMyelitisRecovery of FunctionPhrenic NerveScheuermann DiseaseLigamentum FlavumHematoma, Epidural, SpinalSpinal Nerve RootsForelimbRadiculopathySpinal InjuriesTreatment OutcomeParalysisParaparesisNeurosurgical ProceduresAnterior Horn CellsHyperostosisNeckEpidural AbscessIntervertebral Disc DisplacementMotor NeuronsDura MaterSpondylolisthesisTomography, X-Ray ComputedOsteochondromaInjections, EpiduralRheumatic NoduleOdontoid ProcessSpineContusionsBalloon EmbolectomyArachnoid CystsLumbosacral RegionCarotid StenosisRetrospective StudiesTuberculosis, SpinalLongitudinal LigamentsRespiratory ParalysisPyramidal TractsKlippel-Feil SyndromeAortic Valve StenosisNerve Compression SyndromesInjections, SpinalTime FactorsParaparesis, Tropical SpasticBone NeoplasmsNeck InjuriesSpinal FracturesRats, Sprague-DawleyOssification of Posterior Longitudinal LigamentExostoses, Multiple HereditarySpinal Cord StimulationArachnoidDiphosphonatesRed NucleusFatal OutcomeElectromyographySpinal Cord IschemiaHemangiomaDisease Models, AnimalData CompressionEcho-Planar ImagingAxonsFractures, SpontaneousNerve TissueSpinal NervesSyringomyeliaCoronary StenosisNerve RegenerationIntervertebral DiscElectric Stimulation TherapySciaticaTracheal StenosisMedulla OblongataNeuronal Tract-TracersNeurologic ExaminationPain Measurement