Lumbar VertebraeThoracic VertebraeSpineSpondylolysisCervical VertebraeBone DensityBone and BonesSacrumSpinal FracturesSpinal NeoplasmsSpondylolisthesisLumbosacral RegionSpinal FusionOsteoporosisRibsSpinal DiseasesFemurPolymethyl MethacrylateBone ScrewsTomography, X-Ray ComputedSpinal CanalIntervertebral DiscInternal FixatorsWeight-BearingBiomechanical PhenomenaX-Ray MicrotomographyIliumBone DevelopmentZygapophyseal JointCompressive StrengthBone Diseases, MetabolicOvariectomyAbsorptiometry, PhotonAlendronateBone ResorptionTibiaScoliosisIntervertebral Disc DisplacementOsteoporosis, PostmenopausalBone RemodelingBone Density Conservation AgentsMagnetic Resonance ImagingVertebroplastyOsteocalcinFractures, CompressionAlkaline PhosphataseMeatCervical AtlasImaging, Three-DimensionalBody WeightKyphosisLow Back PainSex CharacteristicsSpinal CurvaturesBone MarrowImage Processing, Computer-AssistedTailRats, Sprague-DawleyDinosaursTreatment OutcomeBody CompositionCadaverBone CementsOrthopedic Fixation DevicesKyphoplastyMuscle, SkeletalTuberculosis, SpinalTime FactorsLordosisLaminectomyAge Determination by SkeletonAdipose TissueSpinal Cord CompressionSpinal InjuriesKlippel-Feil SyndromeDecalcification TechniqueFinite Element AnalysisSpina Bifida OccultaSomitesModels, AnatomicOrthopedic ProceduresCoccyxGreek WorldRadiographyMusculoskeletal AbnormalitiesSpondylitisBack PainFractures, SpontaneousNotochordByzantiumSternumFluoroscopyChordomaDecompression, Surgical