DislocationsFemur HeadFemur Head NecrosisHip DislocationShoulder DislocationHip Dislocation, CongenitalKnee DislocationHip JointHeadPatellar DislocationLegg-Calve-Perthes DiseaseAcetabulumArthroplasty, Replacement, HipHip ProsthesisOsteotomyFemoral Neck FracturesTractionProsthesis FailureBone BanksOsteoarthritis, HipBone TransplantationOsteonecrosisHead and Neck NeoplasmsProsthesis DesignRange of Motion, ArticularHip InjuriesEpiphysesPolyethyleneReoperationFemurAcromioclavicular JointLens SubluxationElbow JointManipulation, OrthopedicFemoracetabular ImpingementJoint InstabilityOrthopedic ProceduresChromium AlloysDromaiidaeSplintsFracture Fixation, InternalTreatment OutcomeIliumArthroplastyFollow-Up StudiesRetrospective StudiesFibulaPolyethylenesAluminum OxideBone ScrewsPostoperative ComplicationsHip FracturesCasts, SurgicalFemur NeckBone Diseases, DevelopmentalHead MovementsLigaments, ArticularSternoclavicular JointAtlanto-Axial JointRecovery of FunctionCartilage, ArticularPelvic BonesHumerusAtlanto-Occipital JointFemoral FracturesFractures, StressTarsal JointsJoint DiseasesWrist InjuriesTomography, X-Ray ComputedCeramicsZirconiumMagnetic Resonance ImagingLeg Length InequalityJoint CapsuleCementationPatellaShoulder JointBone CementsUlnaTime FactorsFractures, BoneSpinal InjuriesDecompression, SurgicalHipEquipment Failure AnalysisOssification, HeterotopicBiomechanical PhenomenaArthrographyOsteolysisWeight-BearingRotationEpiphyses, SlippedMetal-on-Metal Joint ProsthesesMultiple TraumaBone WiresTechnetium Tc 99m MedronateArthroscopyJoint Deformities, AcquiredBone Retroversion