Bone ScrewsFracture Fixation, InternalOsseointegrationBone and BonesFracture HealingX-Ray MicrotomographyBone RemodelingRange of Motion, ArticularBiomechanical PhenomenaSpinal FusionBone DensityInternal FixatorsBone ResorptionBone PlatesBone MarrowKnee JointLumbar VertebraeCervical VertebraeCadaverTorqueBone NeoplasmsThoracic VertebraeMovementBone DevelopmentBone Marrow CellsWeight-BearingBone TransplantationBone DiseasesFluoroscopyJoint InstabilityFemurScoliosisFractures, BoneTibiaContractureAxisOrthopedic ProceduresSpineBone NailsSpinal DiseasesBone RegenerationSurgery, Computer-AssistedOrthopedic Fixation DevicesOptical RotationArthrometry, ArticularAtlanto-Axial JointBone MatrixElbow JointPostureElectromyographyBone Marrow TransplantationSacrumHip JointBone SubstitutesTreatment OutcomeSpinal FracturesFracture Fixation, IntramedullaryCervical AtlasBone CementsArthroplasty, Replacement, KneeKnee ProsthesisProsthesis DesignBone WiresPelvic BonesShoulder JointKneePosterior Cruciate LigamentAnterior Cruciate LigamentElbowFemoral FracturesRotationNeuronavigationOsteotomyStress, MechanicalTomography, X-Ray ComputedBone Diseases, MetabolicAnkle Joint