Lumbar VertebraeThoracic VertebraeSpineSpondylolysisCervical VertebraeBone DensityBone and BonesSacrumSpinal FracturesSpinal NeoplasmsSpondylolisthesisLumbosacral RegionSpinal FusionRibsFemurOsteoporosisSpinal DiseasesBone ScrewsTomography, X-Ray ComputedPolymethyl MethacrylateSpinal CanalWeight-BearingInternal FixatorsIntervertebral DiscBiomechanical PhenomenaX-Ray MicrotomographyIliumBone DevelopmentZygapophyseal JointCompressive StrengthBone Diseases, MetabolicOvariectomyAbsorptiometry, PhotonTibiaAlendronateAmyotrophic Lateral SclerosisMagnetic Resonance ImagingScoliosisBone ResorptionIntervertebral Disc DisplacementBone RemodelingOsteoporosis, PostmenopausalBone Density Conservation AgentsVertebroplastyOsteocalcinCervical AtlasFractures, CompressionImaging, Three-DimensionalAlkaline PhosphataseMeatLateral Line SystemKyphosisBody WeightImage Processing, Computer-AssistedLow Back PainSex CharacteristicsCadaverSpinal CurvaturesRats, Sprague-DawleyTailTreatment OutcomeBone MarrowTime FactorsMuscle, SkeletalDinosaursOrthopedic Fixation DevicesBone CementsBody CompositionHypothalamic Area, LateralLateral VentriclesKyphoplastyTuberculosis, SpinalLordosisLaminectomyAge Determination by SkeletonSomitesSpinal InjuriesAdipose TissueSpinal Cord CompressionModels, AnatomicFinite Element AnalysisKlippel-Feil SyndromeOrthopedic ProceduresSpina Bifida OccultaDecalcification TechniqueRadiographyNotochordFluoroscopyGeniculate BodiesPostureRotationCoccyxBack PainGreek WorldDecompression, SurgicalFractures, SpontaneousMusculoskeletal AbnormalitiesSternumSpondylitisHumerus