Isometric ContractionTorqueElectromyographyMuscle, SkeletalMuscle StrengthMuscle FatigueMuscle ContractionQuadriceps MuscleRecruitment, NeurophysiologicalKneeMotor NeuronsVolitionFemoral NerveElectric StimulationMusclesElbowHandBiomechanical PhenomenaLegPhysical EnduranceMaximal Voluntary VentilationIsotonic ContractionTime FactorsPhysical ExertionThighExerciseMuscle WeaknessHand StrengthMuscle Fibers, SkeletalMyocardial ContractionEvoked Potentials, MotorKnee JointFingersForearmSarcomeresElbow JointMuscle RelaxationAnkle JointUterine ContractionThumbMotor CortexMusculoskeletal Physiological PhenomenaMuscle Strength DynamometerMuscle, SmoothMovementVoluntary ProgramsPapillary MusclesRana temporariaArmMyosinsReflex, StretchAction PotentialsCalciumPhosphocreatinePsoas MusclesTranscranial Magnetic StimulationH-ReflexTendonsStress, MechanicalAdaptation, PhysiologicalReflexHeart RateMyographyAnalysis of VariancePeroneal NerveAnkleWeight-BearingVasoconstrictionFootMuscle SpindlesAnuraMyofibrilsVibrationBlood Pressure