Lumbar VertebraeThoracic VertebraeSpineSpondylolysisMyelitis, TransverseCervical VertebraeBone DensityBone and BonesSacrumColon, TransverseSpinal FracturesSpinal NeoplasmsSpondylolisthesisLumbosacral RegionSpinal FusionRibsSpinal DiseasesFemurOsteoporosisBiomechanical PhenomenaTomography, X-Ray ComputedBone ScrewsSpinal CanalWeight-BearingPolymethyl MethacrylateInternal FixatorsIntervertebral DiscX-Ray MicrotomographyIliumTransverse SinusesZygapophyseal JointBone DevelopmentCompressive StrengthBone Diseases, MetabolicOvariectomyAbsorptiometry, PhotonMagnetic Resonance ImagingTibiaAlendronateScoliosisBone ResorptionIntervertebral Disc DisplacementBone RemodelingOsteoporosis, PostmenopausalCervical AtlasImaging, Three-DimensionalBone Density Conservation AgentsVertebroplastyOsteocalcinFractures, CompressionAlkaline PhosphataseMeatCadaverImage Processing, Computer-AssistedBody WeightLow Back PainKyphosisSex CharacteristicsMuscle, SkeletalTreatment OutcomeSpinal CurvaturesRats, Sprague-DawleyTailTime FactorsBone MarrowLigamentsOrthopedic Fixation DevicesBone CementsDinosaursBody CompositionLaminectomyKyphoplastyModels, AnatomicTuberculosis, SpinalSpinal Cord CompressionFinite Element AnalysisSpinal InjuriesSpina Bifida OccultaLordosisMyelitisCarpal BonesAge Determination by SkeletonStress, MechanicalOccipital BoneAdipose TissueLigaments, ArticularCarpal JointsKlippel-Feil SyndromeSternumOrthopedic ProceduresDecalcification TechniqueMusclesRotationDecompression, SurgicalSomitesCranial SinusesFluoroscopyMicroradiographyScapulaParaparesis