Longitudinal LigamentsOssification of Posterior Longitudinal LigamentLigamentsOssification, HeterotopicCervical VertebraeLigamentum FlavumSpinal Cord CompressionHyperostosis, Diffuse Idiopathic SkeletalThoracic VertebraeDecompression, SurgicalSpineLaminectomyLigaments, ArticularSpinal Cord DiseasesIntervertebral DiscSpinal DiseasesLumbar VertebraeSpinal FusionSpondylosisSpinal OsteophytosisSpinal StenosisSpinal FracturesPeriodontal LigamentVertebroplastyPolymethyl MethacrylateIntervertebral Disc DisplacementTomography, X-Ray ComputedQuadriplegiaFractures, CompressionRadiculopathySpinal NeoplasmsPosterior Cruciate LigamentKyphosisMagnetic Resonance ImagingBone CementsKyphoplastyPatellar LigamentCadaverTreatment OutcomeSpinal InjuriesAnterior Cruciate Ligament ReconstructionFractures, SpontaneousBroad LigamentSpinal CanalBiomechanical PhenomenaBone Screws