Muscle ContractionMuscle, SkeletalTorqueIsotonic ContractionMuscle FatigueElectromyographyMuscle StrengthFaceMusclesBiomechanical PhenomenaSarcomeresElectric StimulationHand StrengthMuscle RelaxationKneeRana temporariaMuscle Fibers, SkeletalElbowTime FactorsRecognition (Psychology)Psoas MusclesPhysical ExertionPattern Recognition, VisualMuscle Strength DynamometerForm PerceptionOrientationMyosinsFigural AftereffectPhilosophyPapillary MusclesExerciseModels, BiologicalMusculoskeletal Physiological PhenomenaOptic FlowPhysical EnduranceVolitionMyocardial ContractionRecruitment, NeurophysiologicalMyographyAdaptation, PhysiologicalQuadriceps MuscleStress, MechanicalVasoconstrictionCalciumAndrologyDepth PerceptionMotor NeuronsAnthropologyPhotic StimulationMovementLegMuscle, SmoothRabbitsRana esculentaAnuraElasticityKnee JointFingersTendonsGeneralization, StimulusFaciesAnalysis of VarianceAnkle JointThighMuscle, Smooth, VascularPelvimetryPhosphocreatineRange of Motion, ArticularArmMuscle TonusRotationMuscle Fibers, Fast-TwitchVasoconstrictor AgentsVasodilationPsychophysicsHeart RateAgingElbow JointAdenosine TriphosphatePhenylephrinePotassium ChlorideAcetylcholineBlood PressureMuscle WeaknessMuscle SpindlesPerceptual DistortionVisual PerceptionTetanyHindlimbComputer SimulationChristianityWeight-BearingDose-Response Relationship, DrugMyosin Light ChainsKineticsMuscle Fibers, Slow-TwitchJapanAorta, ThoracicVasodilator AgentsEvoked Potentials, Motor