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 MuscleMitochondria, MusclePeripheral NervesOculomotor MusclesEsophageal Spasm, DiffuseMuscle RelaxationMuscle SpindlesMuscle, StriatedNerve FibersRespiratory MusclesMuscle WeaknessOptic NervePapillary MusclesAbdominal MusclesQuadriceps MuscleMuscle CellsMasticatory MusclesNerve RegenerationMasseter MuscleFacial NerveElectric StimulationIntercostal MusclesErgonovineMuscular AtrophyIsometric ContractionNerve EndingsSatellite Cells, Skeletal MuscleNerve BlockRabbitsPectoralis MusclesTibial NerveAngina Pectoris, VariantMedian NerveSural NerveNerve CrushMuscular DiseasesUlnar NervePeripheral Nerve InjuriesHindlimbTime FactorsTemporal MuscleCells, CulturedSpecies SpecificityPsoas MusclesRats, Sprague-DawleyFemoral NerveCalciumMyofibrilsNerve Compression SyndromesNeuromuscular JunctionSpinal NervesPharyngeal MusclesTrigeminal NerveDiaphragmBiomechanical PhenomenaSequence Analysis, DNAPhrenic NerveMolecular Sequence DataMyosin Heavy ChainsSpinal Nerve RootsRNA, MessengerMice, Inbred StrainsPhenotypeMutationRadial NerveFacial Nerve DiseasesAmino Acid SequenceCatsRats, WistarNerve Growth FactorsNerve Growth FactorNeural Conduction