Isometric ContractionMuscle ContractionMuscle FatigueElectromyographyVolitionTorqueMuscle, SkeletalHand StrengthElbowKneeMotor NeuronsPhysical EnduranceMuscle StrengthEvoked Potentials, MotorPhysical ExertionRecruitment, NeurophysiologicalElectric StimulationExerciseForearmQuadriceps MuscleH-ReflexMaximal Voluntary VentilationFingersElbow JointPeroneal NerveThumbFemoral NerveReflexMusclesMotor CortexHandTranscranial Magnetic StimulationPyramidal TractsLegHeart RateReflex, StretchArmAdaptation, PhysiologicalIsotonic ContractionVibrationBiomechanical PhenomenaAnkle JointTime FactorsSympathetic Nervous SystemMovementBlood PressureTibial NerveAnkleErgometryRegional Blood FlowFootTendonsIschemiaSkin TemperatureBicyclingResistance TrainingAction PotentialsKnee JointAnalysis of VarianceMuscle SpindlesPhosphocreatineStress, MechanicalPostureBaroreflexVoluntary ProgramsRestNeuromuscular JunctionOxygen ConsumptionWeight LiftingToesReference ValuesReflex, MonosynapticMyocardial ContractionFatigueUterine ContractionMuscle WeaknessThighExercise TestWristBlood Flow VelocityMotor Neurons, GammaMuscle Fibers, SkeletalPsychomotor PerformanceMuscle Strength DynamometerAgingAchilles TendonRunningBrachial PlexusMuscle RelaxationMuscle, SmoothAbdominal MusclesWeight-BearingVasoconstrictionMyographyShoulderDecelerationTetanyRespiratory MusclesAfferent PathwaysRadial Nerve