ExerciseIsometric ContractionExercise TestPhysical ExertionExercise TherapyMuscle, SkeletalExercise ToleranceMuscle ContractionHeart RateLaser-Doppler FlowmetryHand StrengthChoroidBlood PressureMuscle FatigueRegional Blood FlowElectromyographyIntraocular PressureLegPhysical EnduranceTonometry, OcularOxygen ConsumptionMusclesBlood Flow VelocityTime FactorsCardiac OutputTorqueReflexCross-Over StudiesSympathetic Nervous SystemIsotonic ContractionMuscle StrengthHemodynamicsElectric StimulationHeartRestBicyclingVascular ResistanceFovea CentralisMuscle Stretching ExercisesPhysical FitnessCold TemperatureRunningDouble-Blind MethodElectrocardiographyBiomechanical PhenomenaReceptor, Endothelin AKneeResistance TrainingQuadriceps MuscleLactic AcidAnaerobic ThresholdMuscle Fibers, SkeletalHypertensionPulmonary Gas ExchangePeptides, CyclicPhysical Education and TrainingAdaptation, PhysiologicalEnergy MetabolismSarcomeresMuscle RelaxationWeight LiftingBreathing ExercisesElbowAnalysis of VariancePhosphocreatineRana temporariaGlycogenMyocardial ContractionVolitionMuscle Strength DynamometerMusculoskeletal Physiological PhenomenaThighForearmAsthma, Exercise-InducedOxygenArmExercise Movement TechniquesVasoconstrictionPsoas MusclesErgometryWalkingSportsVasodilationMyosinsMotor ActivityRespirationAgingPapillary MusclesKnee JointLactatesRecruitment, NeurophysiologicalStress, MechanicalMovementCardiovascular Physiological PhenomenaRange of Motion, ArticularMuscle Fibers, Fast-TwitchTreatment OutcomeBody WeightCalciumNorepinephrine