Lumbar VertebraeThoracic VertebraeSpineSpondylolysisSpinal FusionCervical VertebraeRibsBone ScrewsBone DensityInternal FixatorsSacrumBone and BonesKyphosisSpinal FracturesSpinal NeoplasmsSpondylolisthesisLumbosacral RegionSpinal DiseasesIntervertebral DiscBiomechanical PhenomenaOsteoporosisTomography, X-Ray ComputedSpinal CanalLordosisWeight-BearingFemurPolymethyl MethacrylateIliumX-Ray MicrotomographySpinal CurvaturesBone DevelopmentBone Diseases, MetabolicZygapophyseal JointOrthopedic ProceduresCompressive StrengthAbsorptiometry, PhotonOvariectomyIntervertebral Disc DisplacementMagnetic Resonance ImagingAlendronateSyringomyeliaBone ResorptionImaging, Three-DimensionalScoliosisTibiaTreatment OutcomeOsteoporosis, PostmenopausalBone RemodelingThoracoplastyPelvisBone Density Conservation AgentsVertebroplastyNeuromuscular DiseasesOsteocalcinTractionFractures, CompressionArnold-Chiari MalformationAlkaline PhosphataseRadiographyMeatCervical AtlasBody WeightLow Back PainPostureScheuermann DiseaseRetrospective StudiesRotationImage Processing, Computer-AssistedMusculoskeletal AbnormalitiesSex CharacteristicsBack PainBackMuscle, SkeletalPhotogrammetryTime FactorsLaminectomyBone MarrowTailPseudarthrosisPostoperative ComplicationsRats, Sprague-DawleyThoraxDinosaursPelvic BonesBody CompositionDecompression, SurgicalCadaverBone CementsOrthopedic Fixation DevicesFollow-Up StudiesKyphoplastySpinal Cord CompressionMeningomyeloceleBone WiresThoracotomyTuberculosis, SpinalMoire TopographyFinite Element AnalysisAnatomic LandmarksSotos Syndrome