OsteoporosisOsteoporosis, PostmenopausalBone DensityBone Density Conservation AgentsOsteoporotic FracturesFractures, BoneDiphosphonatesAbsorptiometry, PhotonFractures, SpontaneousAlendronateBone and BonesBone Diseases, MetabolicTeriparatideSpinal FracturesEtidronic AcidBone RemodelingBone ResorptionFemur NeckLumbar VertebraeHip FracturesRaloxifeneFemurOsteoclastsCalcaneusCalcium, DietaryOsteoblastsVitamin DSelective Estrogen Receptor ModulatorsGlucocorticoidsSpineOsteogenesisCalcitoninRisk FactorsOsteocalcinHipRANK LigandOvariectomyEstrogen Replacement TherapyParathyroid HormoneBone DiseasesOsteoprotegerinDensitometryIliumAlkaline PhosphataseAccidental FallsPostmenopauseRadiusCollagen Type ISpinal InjuriesOsteomalaciaMetacarpusJaw DiseasesForearm InjuriesCalciumEstrogensMenopauseBone DevelopmentTibiaFemoral Neck FracturesMineralsFractures, CompressionMass ScreeningCathepsin KMenBiological MarkersPrevalenceThoracic VertebraeAge FactorsCalcification, PhysiologicHormone Replacement TherapyAnabolic AgentsOsteonecrosisBack PainEndocrine System DiseasesMicroradiographyThiophenesHip JointVitamin D DeficiencyCross-Sectional StudiesLow Density Lipoprotein Receptor-Related Protein-5AgingBone Demineralization, PathologicFemoral FracturesRisk AssessmentX-Ray MicrotomographyOsteocytesDietary SupplementsTreatment OutcomeKyphosisHypogonadismSpinal DiseasesReceptor Activator of Nuclear Factor-kappa BMinority HealthCholecalciferolHydroxycholecalciferolsQuestionnaires