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 PhosphataseTime FactorsMeatCervical AtlasImaging, Three-DimensionalTreatment OutcomeBody WeightKyphosisLow Back PainSex CharacteristicsSpinal CurvaturesBone MarrowImage Processing, Computer-AssistedTailMolecular Sequence DataRats, Sprague-DawleyDinosaursBody CompositionCadaverBone CementsOrthopedic Fixation DevicesKyphoplastyMuscle, SkeletalTuberculosis, SpinalModels, BiologicalLordosisLaminectomyAge Determination by SkeletonAdipose TissueMutationAmino Acid SequenceSpinal Cord CompressionSpinal InjuriesBase SequenceKlippel-Feil SyndromeDecalcification TechniqueFinite Element AnalysisSpina Bifida OccultaSomitesPhenotypeModels, AnatomicOrthopedic ProceduresCoccyxGreek WorldRadiographyMusculoskeletal AbnormalitiesSpondylitisRetrospective StudiesBack PainFractures, SpontaneousNotochordByzantiumSpecies SpecificitySternumFluoroscopy