Orthopedic Fixation DevicesBone ScrewsFracture Fixation, InternalInternal FixatorsOsseointegrationFracture HealingSurgical Fixation DevicesBone and BonesExternal FixatorsX-Ray MicrotomographyBone PlatesBone NailsFracture FixationWeight-BearingFracture Fixation, IntramedullaryEquipment ReuseBone RemodelingBiomechanical PhenomenaCadaverThoracic VertebraeFemurFractures, BoneProstheses and ImplantsMaterials TestingSpinal FusionBone DensityNitrogen FixationFixation, OcularRotationRange of Motion, ArticularBone ResorptionStress, MechanicalTreatment OutcomeBone MarrowBone TransplantationBone NeoplasmsBone Marrow CellsBone DevelopmentTissue FixationComplement Fixation TestsBone DiseasesEquipment DesignDevice ApprovalAxisBone WiresLumbar VertebraeCervical VertebraeBone RegenerationFluoroscopyDevice RemovalOrthopedic ProceduresScoliosis