Isometric ContractionTorqueElectromyographyMuscle, SkeletalMuscle StrengthMuscle FatigueMuscle ContractionQuadriceps MuscleRecruitment, NeurophysiologicalKneeMusclesMotor NeuronsVolitionFemoral NerveElectric StimulationElbowHandBiomechanical PhenomenaLegPhysical EnduranceMaximal Voluntary VentilationTime FactorsIsotonic ContractionPhysical ExertionMuscle Fibers, SkeletalThighMuscle WeaknessMuscle, SmoothExerciseHand StrengthMuscle, Smooth, VascularEvoked Potentials, MotorKnee JointMuscle RelaxationMuscle ProteinsMyocardial ContractionPapillary MusclesFingersSarcomeresForearmElbow JointMuscle Strength DynamometerAnkle JointMusculoskeletal Physiological PhenomenaUterine ContractionPsoas MusclesMovementMotor CortexMuscle SpindlesThumbVoluntary ProgramsArmReflex, StretchPhosphocreatineTendonsCalciumStress, MechanicalAdaptation, PhysiologicalMyosinsH-ReflexRespiratory MusclesTranscranial Magnetic StimulationReflexMuscle DevelopmentAction PotentialsHeart RateAnalysis of VarianceRana temporariaVasoconstrictionWeight-BearingMyofibrilsRabbitsAnkleMasseter MusclePeroneal NerveFootMuscle Fibers, Fast-TwitchVibrationMyographyAbdominal MusclesBlood PressurePostureElasticityMuscle Fibers, Slow-Twitch