Whole Body ImagingPlethysmography, Whole BodyWhole-Body CountingMuscle, SkeletalVibrationBody CompositionWhole-Body IrradiationEnergy MetabolismLeucineHeat Stress DisordersGlucoseAbsorptiometry, PhotonInsulinBody WeightHyperthermia, InducedAdipose TissueOxygen ConsumptionBody Temperature RegulationExerciseBody TemperatureBlood GlucosePhysical EnduranceLiverRadiation DosageGlucose Clamp TechniqueFatty Acids, NonesterifiedInsulin ResistanceTissue DistributionPotassium RadioisotopesRegional Blood FlowCalorimetry, IndirectBone DensityLipid MetabolismLegGlycogenTime FactorsRadiometryPhenylalanineProteinsOxidation-ReductionNitrogenRadiation Injuries, ExperimentalKineticsSkinSplanchnic CirculationMuscle ProteinsRadiation-Protective AgentsPositron-Emission TomographyBody Fluid CompartmentsModels, BiologicalSweatDietWeight LiftingFastingBed RestRadiopharmaceuticalsMetabolic Clearance RateBody BurdenBody WaterHomeostasisRadioisotope Dilution TechniqueHormonesLipolysisIodine RadioisotopesNitrogen IsotopesHuman BodyReference ValuesSweatingDose-Response Relationship, RadiationGamma RaysPhysical ExertionVisceraPlutoniumRats, Sprague-DawleyMagnetic Resonance ImagingRotationMice, Inbred C57BLTooth SocketOrgan SizeGlycerolRheniumObesityAmino AcidsFluorodeoxyglucose F18Carbon DioxideHot TemperatureLactic AcidPostureCold TemperatureBlood CirculationDeuteriumAnalysis of VarianceDietary ProteinsElectric ImpedanceEatingOrgan SpecificityAgingCarbohydrate MetabolismParenteral Nutrition, TotalArchives