SpasmMuscle SpasticityMusclesNeck MusclesSpasms, InfantileCervical AtlasOccipital BoneNeuromuscular AgentsMuscle ProteinsMuscle, SmoothMuscle, SkeletalSpinal Cord InjuriesMuscle, Smooth, VascularMuscle Fibers, SkeletalHemifacial SpasmMotor NeuronsBotulinum Toxins, Type AElectromyographyMuscle ContractionMuscle DevelopmentSciatic NerveMuscle FatigueMuscle Fibers, Fast-TwitchCoronary VasospasmMuscle DenervationMuscle Fibers, Slow-TwitchFacial MusclesMyocytes, Smooth MuscleProtein Sorting SignalsMitochondria, MuscleOculomotor MusclesPeripheral NervesEsophageal Spasm, DiffuseMuscle RelaxationMuscle SpindlesMuscle, StriatedSignal TransductionNerve FibersRespiratory MusclesMuscle WeaknessOptic NervePapillary MusclesAbdominal MusclesQuadriceps MuscleNerve RegenerationMuscle CellsMasticatory MusclesMasseter MuscleFacial NerveElectric StimulationIntercostal MusclesErgonovineMuscular AtrophyIsometric ContractionNerve EndingsSatellite Cells, Skeletal MuscleNerve BlockTibial NerveAngina Pectoris, VariantCells, CulturedPectoralis MusclesMedian NerveSural NerveNerve CrushMuscular DiseasesCalciumUlnar NervePeripheral Nerve InjuriesRabbitsHindlimbTime FactorsTemporal MuscleRats, Sprague-DawleyPsoas MusclesMolecular Sequence DataFemoral NerveRNA, MessengerMyofibrilsNeuromuscular JunctionNerve Compression SyndromesSpinal NervesPharyngeal MusclesDiaphragmTrigeminal NervePhrenic NerveSpinal Nerve RootsMyosin Heavy ChainsBiomechanical PhenomenaRats, WistarRadial NerveFacial Nerve DiseasesNerve Growth FactorsAmino Acid SequenceNerve Growth FactorNeural ConductionCatsAcetylcholine