Muscle SpindlesBirefringenceSpindle ApparatusMuscle ContractionSpermatocytesDipteraOrthopteraMusclesMotor Neurons, GammaMetaphaseAnaphaseMuscle, SkeletalNeurons, AfferentMuscle Fibers, SkeletalAnimal Population GroupsCatsMicrotubulesChromosomesMicroscopy, PolarizationIsometric ContractionMasseter MuscleMuscle, SmoothVideotape RecordingReflex, StretchMitosisProprioceptionMasticatory MusclesMotor NeuronsUltraviolet RaysMuscle ProteinsMicroscopy, Phase-ContrastElectromyographySuccinylcholineMovementAfferent PathwaysMicrocomputersNerve FibersMechanoreceptorsMuscle, Smooth, VascularMuscle Fibers, Slow-TwitchOrganoidsElectric StimulationMuscle Fibers, Fast-TwitchNeural ConductionDecerebrate StateMeiosisVibrationNeck MusclesMuscle FatigueIntercostal MusclesCentromereJawSex ChromosomesMuscle DevelopmentMuscle DenervationHindlimbAction PotentialsOculomotor MusclesUterine ContractionMyocardial ContractionSpermatozoaNerve EndingsSpinal Nerve RootsBiomechanical PhenomenaMuscle RelaxationTime FactorsEarly Growth Response Protein 3TendonsTrigeminal NucleiReflexNeurons, EfferentDietary FiberKinetochoresCalciumReflex, MonosynapticCentrosomeAxonsMyofibrilsTemporal MuscleSpectrum AnalysisMyocytes, Smooth MuscleKinesthesisMyosin Heavy ChainsDose-Response Relationship, RadiationMitochondria, MuscleKinesinRabbitsPosturePapillary MusclesGait AtaxiaMicrotubule-Associated ProteinsElectrophysiologyH-ReflexBackChromosome SegregationNeuromuscular JunctionMyographyMuscle, StriatedRadial NerveMineral Fibers