MusclesElectric StimulationMuscle, SmoothMuscle ProteinsMuscle, SkeletalMuscle, Smooth, VascularMuscle Fibers, SkeletalMuscle ContractionMuscle DevelopmentMuscle FatigueElectric Stimulation TherapyMuscle DenervationMuscle Fibers, Fast-TwitchMuscle Fibers, Slow-TwitchStimulation, ChemicalMyocytes, Smooth MuscleMitochondria, MusclePhysical StimulationNeck MusclesMuscle RelaxationCells, CulturedOculomotor MusclesMuscle SpindlesDeep Brain StimulationElectromyographyMuscle, StriatedPapillary MusclesRespiratory MusclesMuscle WeaknessTranscranial Magnetic StimulationTime FactorsCalciumAbdominal MusclesQuadriceps MuscleMuscle CellsMasseter MuscleIsometric ContractionRats, Sprague-DawleyFacial MusclesMasticatory MusclesIntercostal MusclesSignal TransductionRabbitsCatsMuscular AtrophyRNA, MessengerHindlimbSatellite Cells, Skeletal MuscleMotor NeuronsRats, WistarKineticsPhosphorylationAction PotentialsPectoralis MusclesDose-Response Relationship, DrugMuscular DiseasesCell LineDiaphragmMice, Inbred C57BLNeuromuscular JunctionTranscutaneous Electric Nerve StimulationMyofibrilsGene Expression RegulationGuinea PigsPsoas MusclesEnzyme ActivationMembrane PotentialsTemporal MuscleElectrophysiologyBiomechanical PhenomenaReflexPharyngeal MusclesMolecular Sequence DataDogsInsulinMyosin Heavy ChainsMyocardiumGlycogenActinsRats, Inbred StrainsElectrodes, ImplantedAdenosine TriphosphateEvoked Potentials, MotorEvoked PotentialsAcetylcholineGlucoseNorepinephrineEnzyme InhibitorsModels, BiologicalCell DifferentiationIsoproterenolVagus NerveMice, KnockoutNeurons, AfferentSympathetic Nervous SystemAtropinePhotic StimulationCyclic AMPSynaptic TransmissionBlotting, Western