Exercise TestExerciseExercise ToleranceExercise TherapySensitivity and SpecificityPhysical ExertionOxygen ConsumptionPhysical EnduranceHeart RateAnaerobic ThresholdPhysical FitnessAsthma, Exercise-InducedBicyclingPulmonary Gas ExchangeMuscle, SkeletalElectrocardiographyAngina PectorisLactic AcidTime FactorsErgometryRestSportsBlood PressureRunningRespiratory Function TestsPredictive Value of TestsDyspneaCoronary DiseaseRespirationHemodynamicsOxygenCardiovascular Physiological PhenomenaPhysical Education and TrainingReproducibility of ResultsWalkingAnalysis of VarianceBreathing ExercisesForced Expiratory VolumeHeart FailureCross-Over StudiesCarbon DioxideFollow-Up StudiesProspective StudiesStroke VolumeCardiac OutputDouble-Blind MethodMetabolic EquivalentLactatesMuscle FatigueHeartPulmonary VentilationResistance TrainingAdaptation, PhysiologicalGlycogen Storage Disease Type VLegMuscle StrengthTreatment OutcomeAdrenergic beta-AntagonistsAthletesMuscle Stretching ExercisesReference ValuesRegional Blood FlowBlood GlucoseMyocardial IschemiaEnergy MetabolismMicrovascular AnginaHyperventilationGlycogenSpirometryPrognosisSingle-Blind MethodRespiratory Physiological PhenomenaElectrocardiography, AmbulatoryMaximal Voluntary VentilationCoronary AngiographyChronic DiseaseEchocardiographyPulmonary Disease, Chronic ObstructiveRisk FactorsHorsesRespiratory MechanicsMuscle ContractionLung Diseases, ObstructiveContrast SensitivityPhysical Conditioning, AnimalEchocardiography, StressQuadriceps MuscleVentricular Function, LeftHypokalemic Periodic ParalysisMyocardial InfarctionBlood Gas AnalysisThallium RadioisotopesSeverity of Illness IndexMotor ActivityBody WeightInsulinVentricular Premature ComplexesAltitudeVital CapacityHeart Function Tests