RadiusMineralsAbsorptiometry, PhotonActivation AnalysisMetacarpusBone and BonesPhotonsBone DensityOsteoporosisLumbar VertebraeMenopauseBody CompositionFemur NeckBone Diseases, MetabolicAdipose TissueAdiposityTomography, Emission-Computed, Single-PhotonFemurOsteoporosis, PostmenopausalAnthropometryBody Mass IndexBody Fat DistributionHipElectric ImpedanceSkinfold ThicknessFractures, BoneSpineBody WeightObesityNeutron Activation AnalysisBody WaterBone RemodelingCalcaneusAbdominal FatPubertyIntra-Abdominal FatSarcopeniaCalcium, DietaryBone DevelopmentDensitometryCross-Sectional StudiesBody HeightBody Fluid CompartmentsPostmenopauseTomography, X-Ray ComputedReproducibility of ResultsRegression AnalysisOsteocalcinElementary ParticlesHIV-Associated Lipodystrophy SyndromeBone Density Conservation AgentsBone ResorptionSpinal FracturesPremenopauseTibiaWhole Body ImagingAgingScattering, RadiationReference ValuesLinear ModelsRadiometryExerciseUlnaPhantoms, ImagingLightSex CharacteristicsMuscle, SkeletalEuropean Continental Ancestry GroupMonte Carlo MethodScintillation CountingPelvic BonesBasal MetabolismAnorexia NervosaLongitudinal StudiesVitamin DSex FactorsRadionuclide ImagingThinnessSensitivity and SpecificityHip JointThighBone Demineralization, PathologicProspective StudiesMuscle StrengthOsteoporotic FracturesMicroscopy, Fluorescence, MultiphotonTime FactorsSubcutaneous FatEnergy MetabolismOrganotechnetium CompoundsWeight LossAge FactorsCalorimetry, IndirectAlendronatePotassium RadioisotopesRisk FactorsInsulin ResistanceParticle AcceleratorsRadiation DosageParathyroid Hormone