Isometric ContractionTorqueElectromyographyMuscle, SkeletalMuscle StrengthMuscle FatigueMuscle ContractionKneeQuadriceps MuscleRecruitment, NeurophysiologicalKnee JointFemoral NerveMotor NeuronsVolitionElectric StimulationElbowMusclesBiomechanical PhenomenaLegHandPhysical EnduranceIsotonic ContractionThighOsteoarthritis, KneeTime FactorsMaximal Voluntary VentilationPhysical ExertionMuscle Strength DynamometerMuscle WeaknessExerciseArthroplasty, Replacement, KneeKnee InjuriesMuscle Fibers, SkeletalHand StrengthRange of Motion, ArticularMovementKnee ProsthesisTendonsAnkle JointEvoked Potentials, MotorWeight-BearingFingersDecelerationMyocardial ContractionForearmElbow JointResistance TrainingMusculoskeletal Physiological PhenomenaAdaptation, PhysiologicalThumbReflex, StretchMotor CortexUterine ContractionSarcomeresAnkleHindlimbMuscle RelaxationArmAnalysis of VarianceLower ExtremityGaitWeight LiftingVoluntary ProgramsReflexH-ReflexPosturePatellar LigamentMuscle, SmoothStress, MechanicalMyosinsPeroneal NervePhosphocreatineTranscranial Magnetic StimulationPsoas MusclesRunningFootOxygen ConsumptionAction PotentialsPapillary MusclesMuscle SpindlesWalkingRecovery of FunctionAgingHeart RateRegional Blood FlowBicyclingCalciumVibrationToesVasoconstrictionRana temporariaMyographyExercise TestErgometryLocomotion