Exercise TestExercise TherapyExerciseExercise TolerancePhysical ExertionMuscle, SkeletalMuscle ContractionPhysical EnduranceOxygen ConsumptionMuscle FatigueTorqueIsotonic ContractionMuscle StrengthHeart RateElectromyographyRestBicyclingTime FactorsMusclesMuscle Stretching ExercisesPhysical FitnessHand StrengthLegRunningBiomechanical PhenomenaKneeBlood PressureResistance TrainingQuadriceps MuscleLactic AcidAnaerobic ThresholdMuscle Fibers, SkeletalPulmonary Gas ExchangeElectric StimulationPhysical Education and TrainingRegional Blood FlowAdaptation, PhysiologicalEnergy MetabolismSarcomeresMuscle RelaxationWeight LiftingBreathing ExercisesElbowAnalysis of VariancePhosphocreatineRana temporariaGlycogenHemodynamicsMyocardial ContractionCardiac OutputVolitionMuscle Strength DynamometerMusculoskeletal Physiological PhenomenaThighForearmHeartAsthma, Exercise-InducedOxygenArmExercise Movement TechniquesVasoconstrictionPsoas MusclesErgometryWalkingSportsVasodilationMyosinsMotor ActivityRespirationAgingPapillary MusclesKnee JointLactatesRecruitment, NeurophysiologicalStress, MechanicalMovementCardiovascular Physiological PhenomenaCross-Over StudiesRange of Motion, ArticularMuscle Fibers, Fast-TwitchTreatment OutcomeBody WeightCalciumElectrocardiographyNorepinephrinePhysical Therapy ModalitiesReference ValuesStroke VolumeBody Temperature RegulationElasticityMyographyWeight-BearingSweatingHeart FailureMuscle WeaknessBlood GlucoseHindlimbMotor NeuronsPostureTendons