ArthrodesisRetrospective StudiesFoot Deformities, AcquiredTarsal JointsSubtalar JointAnkle JointMetatarsophalangeal JointArthroplasty, Replacement, AnkleTalusCalcaneusHallux RigidusTarsal BonesFoot DeformitiesArthropathy, NeurogenicWrist JointFlatfootFibulaExternal FixatorsBone NailsTreatment OutcomeSpinal FusionHallux ValgusBone ScrewsLunate BoneBone TransplantationArthroplastyToe JointPostoperative ComplicationsRange of Motion, ArticularBone PlatesAtlanto-Occipital JointJoint ProsthesisArthroplasty, ReplacementFollow-Up StudiesOsteoarthritisArthritis, InfectiousReoperationAnkle InjuriesForefoot, HumanInternal FixatorsDislocationsIlizarov TechniqueRecovery of FunctionMetacarpal BonesTrapezium BoneCervical VertebraeAtlanto-Axial JointEquinus DeformityPseudarthrosisFoot JointsOsteitisTibiaKnee JointCarpus, AnimalCarpal BonesFoot InjuriesOdontoid ProcessOsteotomySpondylosisSpinal DiseasesKnee ProsthesisDiskectomyFractures, UnunitedKyphosisProsthesis Failure