Longitudinal LigamentsOssification of Posterior Longitudinal LigamentLigamentsOssification, HeterotopicCervical VertebraeThoracic VertebraeLigamentum FlavumSpinal Cord CompressionHyperostosis, Diffuse Idiopathic SkeletalLaminectomySpineDecompression, SurgicalSpinal DiseasesSpinal Cord DiseasesLigaments, ArticularSpinal FusionSpondylosisIntervertebral DiscSpinal StenosisSpinal OsteophytosisSpinal NeoplasmsLumbar VertebraePeriodontal LigamentTomography, X-Ray ComputedIntervertebral Disc DisplacementQuadriplegiaMagnetic Resonance ImagingKyphosisPosterior Cruciate LigamentRadiculopathyTreatment OutcomeSpinal FracturesSpinal CurvaturesBone ScrewsOrthopedic ProceduresPatellar LigamentScoliosisParaparesisAnterior Cruciate Ligament ReconstructionSpinal InjuriesCadaverManubriumRetrospective StudiesBroad LigamentInternal FixatorsManipulation, Spinal