Whole Body ImagingMethyl EthersAnesthetics, IntravenousSufentanilPropofolAnesthetics, CombinedAnesthetics, InhalationAnesthesia, GeneralPain, PostoperativePlethysmography, Whole BodyIntubation, IntratrachealMonitoring, IntraoperativeFentanylDouble-Blind MethodAnalgesics, OpioidPiperidinesAnesthetics, LocalWhole-Body CountingProspective StudiesTime FactorsModels, AnimalMuscle, SkeletalRats, WistarPain MeasurementDrug Administration ScheduleHeart RateVibrationBlood PressureBody CompositionTreatment OutcomeWhole-Body IrradiationEnergy MetabolismLeucineHeat Stress DisordersGlucoseAbsorptiometry, PhotonInsulinRetrospective StudiesFollow-Up StudiesBody WeightHyperthermia, InducedAdipose TissueOxygen ConsumptionBody Temperature RegulationExerciseBody TemperatureBlood GlucosePhysical EnduranceLiverRadiation DosageGlucose Clamp TechniqueFatty Acids, NonesterifiedInsulin ResistanceTissue DistributionPotassium RadioisotopesRegional Blood FlowCalorimetry, IndirectBone DensityLipid MetabolismLegGlycogenRadiometryPhenylalanineProteinsOxidation-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 Imaging