Lumbar VertebraeThoracic VertebraeSpineSpondylolysisCervical VertebraeBone DensityLow Back PainBone and BonesSacrumBack PainSpinal FracturesSpinal NeoplasmsLumbosacral RegionSpondylolisthesisSpinal DiseasesSpinal FusionBackOsteoporosisRibsFemurPolymethyl MethacrylateIntervertebral DiscBone ScrewsSpinal CanalTomography, X-Ray ComputedBiomechanical PhenomenaWeight-BearingInternal FixatorsX-Ray MicrotomographyIliumZygapophyseal JointBone DevelopmentCompressive StrengthBone Diseases, MetabolicOvariectomyAbsorptiometry, PhotonAlendronateBone ResorptionTibiaScoliosisIntervertebral Disc DisplacementOsteoporosis, PostmenopausalBone RemodelingMagnetic Resonance ImagingBone Density Conservation AgentsVertebroplastyOsteocalcinFractures, CompressionAlkaline PhosphataseMeatImaging, Three-DimensionalBack InjuriesCervical AtlasKyphosisBody WeightSpinal CurvaturesSex CharacteristicsBone MarrowImage Processing, Computer-AssistedTailRats, Sprague-DawleyMuscle, SkeletalTime FactorsDinosaursTreatment OutcomeBody CompositionOrthopedic Fixation DevicesCadaverBone CementsKyphoplastyTuberculosis, SpinalLaminectomySpinal InjuriesLordosisSpinal Cord CompressionAdipose TissueAge Determination by SkeletonKlippel-Feil SyndromeDecalcification TechniqueSpina Bifida OccultaFinite Element AnalysisSomitesOrthopedic ProceduresRadiographyModels, AnatomicSpondylitisPostureCoccyxFluoroscopyGreek WorldDecompression, SurgicalFractures, SpontaneousMusculoskeletal AbnormalitiesNotochordByzantiumPain MeasurementSternumChordomaDiscitisSpinal Osteophytosis