Isometric ContractionTorqueElectromyographyMuscle, SkeletalMuscle StrengthMuscle FatigueMuscle ContractionQuadriceps MuscleRecruitment, NeurophysiologicalKneeMotor NeuronsVolitionFemoral NerveElectric StimulationElbowMusclesHandBiomechanical PhenomenaLegPhysical EnduranceIsotonic ContractionMaximal Voluntary VentilationTime FactorsPhysical ExertionThighMuscle WeaknessExerciseHand StrengthMuscle Fibers, SkeletalKnee JointEvoked Potentials, MotorFingersMyocardial ContractionTendonsForearmMuscle Strength DynamometerMovementElbow JointAnkle JointThumbMusculoskeletal Physiological PhenomenaMotor CortexReflex, StretchUterine ContractionSarcomeresMuscle RelaxationArmVoluntary ProgramsH-ReflexReflexMuscle, SmoothMyosinsPhosphocreatineTranscranial Magnetic StimulationPeroneal NerveAdaptation, PhysiologicalPsoas MusclesWeight-BearingStress, MechanicalFootAnkleAction PotentialsPapillary MusclesAnalysis of VarianceMuscle SpindlesHeart RateHindlimbCalciumVibrationToesVasoconstrictionRana temporariaMyographyPostureDecelerationBlood Pressure