Fractures, SpontaneousFractures, BoneFracture HealingHip FracturesOsteoporotic FracturesFemoral FracturesSpinal FracturesOsteoporosisFracture Fixation, InternalFractures, ComminutedFracture FixationFemoral Neck FracturesOsmotic FragilityRadius FracturesForearm InjuriesFractures, StressBone DensityUlna FracturesFracture Fixation, IntramedullaryBone Density Conservation AgentsRib FracturesSkull FracturesMandibular FracturesOsteoporosis, PostmenopausalAbsorptiometry, PhotonTooth FracturesDiphosphonatesFractures, CompressionIntra-Articular FracturesCapillary FragilityCalcaneusMinority HealthOrthopedicsBone PlatesFemur NeckBone NailsOrbital FracturesAccidental FallsColles' FractureMenChromosome FragilityBony CallusHip Injuries