Isometric ContractionElectromyographyTorqueMuscle, SkeletalMuscle StrengthMuscle FatigueMuscle ContractionQuadriceps MuscleRecruitment, NeurophysiologicalMotor NeuronsKneeVolitionFemoral NerveElectric StimulationBiomechanical PhenomenaElbowMusclesHandLegTime FactorsPhysical EnduranceMaximal Voluntary VentilationIsotonic ContractionMuscle Fibers, SkeletalPhysical ExertionMuscle WeaknessThighMyocardial ContractionMetatarsalgiaExerciseHand StrengthFingersCetomacrogolCalciumEvoked Potentials, MotorStress, MechanicalKnee JointMuscle, SmoothMyosinsMyofibrilsMovementForearmSarcomeresUterine ContractionElbow JointAnkle JointMotor CortexMusculoskeletal Physiological PhenomenaMuscle RelaxationMuscle Strength DynamometerAction PotentialsVoluntary ProgramsArmReflex, StretchThumbPsoas MusclesH-ReflexAdaptation, PhysiologicalPapillary MusclesTranscranial Magnetic StimulationPhosphocreatineTendonsTracheaRabbitsReflexAnalysis of VarianceHeart RateRana temporariaVibrationFootVasoconstrictionAnkleWeight-BearingElasticityMuscle SpindlesPeroneal NerveTroponin CPostureMyocardiumMyographyBlood Pressure