Lumbar VertebraeThoracic VertebraeMuscle WeaknessSpineSpondylolysisCervical VertebraeBone DensityBone and BonesSacrumSpinal FracturesSpinal NeoplasmsSpondylolisthesisLumbosacral RegionSpinal FusionOsteoporosisSpinal DiseasesRibsFemurTomography, X-Ray ComputedPolymethyl MethacrylateSpinal CanalBone ScrewsBiomechanical PhenomenaWeight-BearingIntervertebral DiscInternal FixatorsX-Ray MicrotomographyIliumBone DevelopmentZygapophyseal JointCompressive StrengthBone Diseases, MetabolicOvariectomyAbsorptiometry, PhotonAlendronateTibiaScoliosisBone ResorptionIntervertebral Disc DisplacementMagnetic Resonance ImagingOsteoporosis, PostmenopausalBone RemodelingBone Density Conservation AgentsVertebroplastyOsteocalcinFractures, CompressionAlkaline PhosphataseMuscle, SkeletalImaging, Three-DimensionalMeatCervical AtlasKyphosisBody WeightLow Back PainSex CharacteristicsTreatment OutcomeSpinal CurvaturesBone MarrowImage Processing, Computer-AssistedTailTime FactorsRats, Sprague-DawleyMuscular DiseasesDinosaursBody CompositionLaminectomySpinal Cord CompressionCadaverBone CementsNeuromuscular DiseasesOrthopedic Fixation DevicesKyphoplastyTuberculosis, SpinalLordosisMyopathies, NemalineAge Determination by SkeletonAdipose TissueSpinal InjuriesKlippel-Feil SyndromeDecalcification TechniqueFinite Element AnalysisSpina Bifida OccultaSomitesDecompression, SurgicalBack PainHypokalemic Periodic ParalysisParaparesisFractures, SpontaneousModels, AnatomicOrthopedic ProceduresCoccyxGreek WorldRadiographyMuscular AtrophyMusculoskeletal AbnormalitiesDiaphragmSpondylitisMyositisNotochordByzantium