Exercise ToleranceExercise TestExerciseExercise TherapyPhysical ExertionOxygen ConsumptionPhysical EnduranceMuscle, SkeletalHeart RatePhysical FitnessAnaerobic ThresholdDrug ToleranceDyspneaBreathing ExercisesRestResistance TrainingPhysical Conditioning, AnimalBicyclingPulmonary Gas ExchangeTime FactorsBlood PressureImmune ToleranceRunningMuscle Stretching ExercisesHeart FailureTreatment OutcomeWalkingLactic AcidMuscle StrengthPulmonary Disease, Chronic ObstructiveRespiratory Function TestsCross-Over StudiesAdaptation, PhysiologicalHemodynamicsPhysical Education and TrainingEnergy MetabolismQuality of LifeLung Diseases, ObstructiveAnalysis of VarianceCardiac OutputDouble-Blind MethodLegAngina PectorisGlucose Tolerance TestRegional Blood FlowBlood GlucoseRespirationStroke VolumeForced Expiratory VolumeOxygenRespiratory MusclesSingle-Blind MethodWeight LiftingChronic DiseaseXamoterolMuscle FatigueFatigueBody CompositionElectrocardiographyGlycogenAgingFollow-Up StudiesHeart Function TestsProspective StudiesObesityVentricular Function, LeftBody WeightCardiovascular Physiological PhenomenaSedentary LifestyleInspiratory CapacityVital CapacityHeartSportsAsthma, Exercise-InducedMotor ActivityCitrate (si)-SynthaseWeight LossMuscle ContractionExercise Movement TechniquesRecovery of FunctionSpirometryCounterpulsationCoronary DiseaseAerobiosisSwimmingPilot ProjectsAthletesPost-Exercise HypotensionEchocardiographyRespiratory MechanicsAdrenergic beta-AntagonistsSeverity of Illness IndexPropanolaminesCarbon DioxideInsulinReference ValuesOxygen Inhalation TherapyLungMetoprololIsosorbide Dinitrate