Muscle SpindlesNeurons, AfferentMusclesSpindle ApparatusCatsMuscle, SkeletalAfferent PathwaysMotor Neurons, GammaMuscle ContractionReflex, StretchMotor NeuronsDecerebrate StateHindlimbMuscle ProteinsMechanoreceptorsMuscle, SmoothMuscle Fibers, SkeletalMasseter MuscleReflexProprioceptionElectric StimulationMuscle, Smooth, VascularElectromyographyNeural ConductionMasticatory MusclesMuscle FatigueMuscle DevelopmentSpinal CordReflex, MonosynapticLumbosacral RegionNeck MusclesRadial NerveEvoked PotentialsMuscle DenervationSuccinylcholineAction PotentialsVibrationMuscle Fibers, Slow-TwitchMuscle Fibers, Fast-TwitchIntercostal MusclesOculomotor MusclesMovementSpinal Nerve RootsTendonsInterneuronsPeripheral NervesJawH-ReflexIsometric ContractionMyocytes, Smooth MuscleElectrophysiologyMitochondria, MuscleQuadriceps MuscleSkinPhysical StimulationTime FactorsNeural InhibitionNeurons, EfferentMicrotubulesAxonsTrigeminal NucleiNerve EndingsMitosisMuscle, StriatedForelimbTibial NerveTrigeminal NerveMuscle RelaxationSynapsesRespiratory MusclesTemporal MuscleNerve FibersMuscle WeaknessSacrococcygeal RegionPapillary MusclesBiomechanical PhenomenaSensory Receptor CellsEarly Growth Response Protein 3Abdominal MusclesSpinothalamic TractsMuscle CellsAnaphaseFacial MusclesPyramidal TractsJointsKinetochoresAnkleRats, Sprague-DawleyLegVisceral AfferentsKinesthesisPosturePeroneal NerveAcid Sensing Ion ChannelsMyosin Heavy ChainsCentrosomeSynaptic TransmissionMuscular AtrophyLocomotionMyofibrils