Femoral Neck FracturesFracture Fixation, InternalFracture FixationFracture HealingHemiarthroplastyFracture Fixation, IntramedullaryFractures, BoneBone ScrewsHip FracturesFemoral FracturesFemur NeckArthroplasty, Replacement, HipBone NailsBone PlatesFemur HeadFractures, ComminutedHip ProsthesisFemur Head NecrosisFractures, SpontaneousFractures, UnunitedHip DislocationReoperationHip JointBone WiresBone DensityOsteoporotic FracturesFibulaSpinal FracturesArthroplastyBone MalalignmentCementationOsteoporosisRadius FracturesFractures, MalunitedPostoperative ComplicationsTreatment OutcomeProsthesis FailureInternal FixatorsFractures, StressRetrospective StudiesNeckFemurOsteoarthritis, HipOsteonecrosisBone CementsDislocationsElbow JointOsteotomyHead and Neck NeoplasmsLeg Length InequalityFollow-Up StudiesForeign-Body ReactionAnkle InjuriesTime FactorsOsteomalaciaProsthesis DesignDelayed DiagnosisOrthopedic ProceduresRange of Motion, ArticularRecovery of FunctionAbsorptiometry, PhotonProstheses and ImplantsUlna FracturesTechnetium Tc 99m MedronateTime-to-TreatmentDurapatiteLithuaniaJoint ProsthesisOsteoporosis, PostmenopausalNitrogen FixationBone TransplantationRib FracturesAcetabulumLumbar VertebraeMandibular FracturesProspective StudiesSkull FracturesFixation, OcularMetacarpal BonesNeck PainHipRisk FactorsTooth FracturesIntra-Articular FracturesMultiple TraumaFractures, CompressionBone Diseases, MetabolicTalusWeight-BearingBone Density Conservation AgentsExternal FixatorsJoint CapsuleAccidental Falls