PlethysmographyPlethysmography, Whole BodyPlethysmography, ImpedanceForearmWhole Body ImagingRegional Blood FlowLegVasodilationNitroprussideAirway Resistanceomega-N-MethylarginineThoraxRespiratory MechanicsVeinsRespirationLung Volume MeasurementsVasodilator AgentsHyperemiaVascular ResistanceTidal VolumeTotal Lung CapacityPulmonary VentilationMethacholine ChlorideBlood PressureThoracic WallVenous PressureMuscle, SkeletalInfusions, Intra-ArterialBody CompositionHand-Arm Vibration SyndromeFunctional Residual CapacityVenous InsufficiencyWhole-Body CountingVascular CapacitanceAcetylcholineRespiratory Function TestsPostphlebitic SyndromeBlood Flow VelocityHeart RateVibrationEndothelium, VascularPostureHemodynamicsExerciseThrombophlebitisPhlebographyBronchoconstrictor AgentsLungBrachial ArteryVasoconstrictionTime FactorsCross-Over StudiesReference ValuesOxygen ConsumptionBody WeightAnalysis of VarianceAbsorptiometry, PhotonAdipose TissueReproducibility of ResultsBlood VolumeAirway ObstructionBlood CirculationSpirometryAirNitric OxideFemoral VeinFluid ShiftsDose-Response Relationship, DrugPopliteal VeinResidual VolumeHypercapniaInsulinBody TemperatureBody Temperature RegulationSplanchnic CirculationAbdomenVasoconstrictor AgentsApneaLower Body Negative PressureInhalationSympathetic Nervous SystemWhole-Body IrradiationBody WaterHeliumAnoxiaBed RestSensitivity and SpecificityEnergy MetabolismSkin TemperatureDouble-Blind MethodVasomotor SystemSkinRaynaud DiseaseLeucineSupine PositionNitroglycerinNorepinephrineBlood GlucoseElectric ImpedanceOscillometry