Physical StimulationElectric StimulationElectric Stimulation TherapyStimulation, ChemicalDeep Brain StimulationTranscranial Magnetic StimulationCells, CulturedPhysical FitnessTime FactorsMotor ActivityTranscutaneous Electric Nerve StimulationSignal TransductionCalciumCatsRats, Sprague-DawleyPhysical Therapy ModalitiesCell LineExerciseMuscle ContractionPhotic StimulationElectrodes, ImplantedAction PotentialsPhosphorylationKineticsEnzyme ActivationVagus NerveAcoustic StimulationDose-Response Relationship, DrugEvoked PotentialsNeuronsRNA, MessengerLymphocyte ActivationEvoked Potentials, MotorIsoproterenolRats, WistarCyclic AMPReflexElectromyographyNorepinephrinePhysical ExertionAtropineMice, Inbred C57BLSynaptic TransmissionMuscle, SkeletalElectrophysiologyMotor CortexSympathetic Nervous SystemAfferent PathwaysSubthalamic NucleusMolecular Sequence DataGene Expression RegulationGuinea PigsNeural InhibitionSelf StimulationPhysical Education and TrainingDogsRabbitsPhysical ExaminationPhysical Therapy SpecialtyElectrodesEnzyme InhibitorsRats, Inbred StrainsNeurons, AfferentAnalysis of VarianceSpinal CordEvoked Potentials, SomatosensoryMotor NeuronsProtein Kinase CT-LymphocytesAdrenergic beta-AgonistsReaction TimeMembrane PotentialsSpinal Cord StimulationCell DivisionCell MembraneTransfectionQuestionnairesTetradecanoylphorbol AcetateCarbacholParasympathetic Nervous SystemAcetylcholineReceptors, Adrenergic, betaSynapsesRecombinant ProteinsFunctional LateralityLipopolysaccharidesInsulinMusclesModels, BiologicalNeural PathwaysNeuronal PlasticityBase SequencePainProtein BindingOvulation InductionAdenosine TriphosphateMuscle, SmoothMice, KnockoutSomatosensory CortexHeart Rate