ForelimbMotor NeuronsSpinal CordHindlimbLocomotionHypoglossal NerveCatsExtremitiesElectric StimulationFacial NervePyramidal TractsElectromyographyMuscle, SkeletalEfferent PathwaysMotor CortexAbducens NerveRed NucleusDecerebrate StateAxonsLumbosacral RegionLimb BudsAnatomy, ComparativeMovementUlnaAction PotentialsSynapsesRecruitment, NeurophysiologicalChick EmbryoInterneuronsBrain StemLameness, AnimalAxotomyMusclesCarpus, AnimalAnimals, NewbornRats, Sprague-DawleyLimb Deformities, CongenitalTurtlesBiomechanical PhenomenaMotor ActivitySpinal Cord InjuriesFunctional LateralityAfferent PathwaysNeural PathwaysSynaptic TransmissionReticular FormationElectrophysiologyNotophthalmus viridescensNerve RegenerationTrigeminal NucleiScandentiaPhrenic NerveNeuromuscular JunctionSpinal Nerve RootsSomatosensory CortexFacial Nerve InjuriesNeurons, AfferentAnterior Horn CellsSlothsEvoked PotentialsRecovery of FunctionSaimiriGene Expression Regulation, DevelopmentalTrochlear NerveBehavior, AnimalDenervationNeural InhibitionSwimmingHorseradish PeroxidaseSalamandridaeCholine O-AcetyltransferaseDendritesExcitatory Postsynaptic PotentialsHumerusPhysical StimulationMedulla OblongataEvoked Potentials, MotorDinosaursAmyotrophic Lateral SclerosisPeripheral NervesNeuronal PlasticityMotor SkillsStrychnineTime FactorsMusculoskeletal DevelopmentDisease Models, AnimalIn Situ HybridizationReflexReaction TimeMotor Neuron DiseasePeriodicityNeuronsHomeodomain ProteinsMembrane PotentialsZebrafishGlycine AgentsLampreysBody PatterningFossilsBones of Upper Extremity