Lumbar VertebraeSpineThoracic VertebraeCervical VertebraeBone DensitySpinal DiseasesSpinal FracturesSpinal FusionIntervertebral DiscLumbosacral RegionAbsorptiometry, PhotonOsteoporosisFemur NeckZygapophyseal JointSpinal InjuriesIntervertebral Disc DisplacementSacrumSpinal NeoplasmsSpondylolisthesisScoliosisBone ScrewsSpondylolysisOsteoporosis, PostmenopausalBone Diseases, MetabolicLordosisSpinal CanalSpinal StenosisInternal FixatorsLow Back PainWeight-BearingLaminectomyBone and BonesBiomechanical PhenomenaKyphosisIntervertebral Disc DegenerationSpinal CurvaturesBack PainOrthopedic Fixation DevicesSpinal OsteophytosisCadaverVertebroplastyHipTomography, X-Ray ComputedRange of Motion, ArticularFractures, CompressionOrthopedic ProceduresFemurDecompression, SurgicalOsteoarthritis, SpineBone Density Conservation AgentsRadiographyTuberculosis, SpinalMagnetic Resonance ImagingFractures, BoneSpinal Cord CompressionRibsRadiusTotal Disc ReplacementSpondylitisModels, AnatomicRadiculopathyFinite Element AnalysisEpidural SpaceDiskectomyLigamentum FlavumAlendronateBone RemodelingCervical AtlasCompressive StrengthDura MaterTreatment OutcomeIliumPosturePolymethyl MethacrylateFractures, SpontaneousOsteocalcinPolyradiculopathySpondylosisBone DevelopmentFluoroscopyEtidronic AcidProstheses and ImplantsBone CementsDiscitisBone ResorptionSpinal Nerve RootsPelvisBone TransplantationDendritesJoint InstabilitySpondylitis, AnkylosingLigamentsTailPelvic BonesCalcaneusX-Ray MicrotomographyFractures, StressRotationPostoperative ComplicationsSynovial Cyst