Shoulder FracturesHumerusHumeral FracturesBone PlatesFracture Fixation, InternalFracture HealingFracture FixationOsteoporosisFractures, MalunitedArthroplasty, ReplacementShoulder JointRange of Motion, ArticularFractures, BoneBone ScrewsFractures, ComminutedBone WiresHip FracturesFractures, UnunitedRecovery of FunctionBone NailsHumeral HeadOsteoporosis, PostmenopausalElbow JointSpinal FracturesFemoral FracturesOsteoporotic FracturesPostoperative ComplicationsFractures, SpontaneousTreatment OutcomeRetrospective StudiesOrthopedic ProceduresBone DensityJoint ProsthesisArthroplastyCurettageRadial NeuropathyRadius FracturesDiaphysesBone Density Conservation AgentsFemoral Neck FracturesUlna FracturesFractures, StressShoulder DislocationBone CystsBone NeoplasmsShoulderFracture Fixation, IntramedullaryProstheses and ImplantsOsteonecrosisFollow-Up StudiesHemiarthroplastyRib FracturesBone TransplantationSkull FracturesProsthesis ImplantationSurgical Procedures, Minimally InvasiveMandibular FracturesAbsorptiometry, PhotonChondromaProsthesis DesignBone and BonesInternal FixatorsDiphosphonatesIntra-Articular FracturesAlendronateFractures, CompressionTooth FracturesReconstructive Surgical ProceduresBone Diseases, MetabolicBiomechanical Phenomena