Exercise ToleranceExercise TestExerciseExercise TherapyOxygen ConsumptionMitochondrial MyopathiesMuscle, SkeletalGlycogen Storage Disease Type VGlucose IntoleranceLactose IntoleranceHeart FailureGlycogen Storage Disease Type VIIPhysical ExertionPhysical EnduranceMuscle FatiguePulmonary Gas ExchangeFructose IntoleranceStroke VolumeMuscle WeaknessMuscular DiseasesOrthostatic IntoleranceHeart RateMitochondrial DiseasesRespiratory MusclesDyspneaVentricular Function, LeftMitochondria, MuscleChronic DiseaseCardiac Output, LowRespiratory Function TestsCardiac OutputDiastoleHemodynamicsOxygenPulmonary Disease, Chronic ObstructiveDog DiseasesEchocardiographyBiopsyPhysical Conditioning, AnimalDNA, MitochondrialCase-Control StudiesGlucose Tolerance TestBlood GlucoseInsulinBicyclingMutationPhysical FitnessRestLactose Tolerance TestAnaerobic ThresholdTime FactorsInsulin ResistanceResistance TrainingRunningBlood PressureMuscle Stretching ExercisesLactic AcidFood HypersensitivityHypotension, OrthostaticGlucoseEnergy MetabolismObesityGlycogenLegBreathing ExercisesCardiovascular DeconditioningPhysical Education and TrainingBed RestBody WeightRegional Blood FlowTreatment OutcomeLactaseAdaptation, PhysiologicalMalabsorption SyndromesPostural Orthostatic Tachycardia SyndromeLactoseAnalysis of VarianceAsthma, Exercise-InducedMuscle StrengthDiabetes Mellitus, Type 2Exercise Movement TechniquesMultiple Chemical SensitivityDiet, High-FatWeight LiftingHead-Down TiltDietary FatsRenal AminoaciduriasQuadriceps MuscleCarbohydrate Metabolism, Inborn ErrorsWalkingRespirationMuscle ContractionCross-Over StudiesPostureBreath TestsMotor ActivityJoggingElectrocardiographySportsAmino Acid Metabolism, Inborn Errors