MusclesMuscle, SmoothMuscle, Smooth, VascularMuscle, SkeletalMuscle ProteinsMyocytes, Smooth MuscleMuscle ContractionMuscle DenervationMuscle Fibers, SkeletalMuscle DevelopmentMuscle Fibers, Fast-TwitchMuscle Fibers, Slow-TwitchMitochondria, MuscleMuscle FatigueMuscle SpindlesReceptors, CholinergicCells, CulturedRats, WistarMotor EndplateRats, Sprague-DawleyCalciumHindlimbOculomotor MusclesIsometric ContractionNeck MusclesMuscle, StriatedElectric StimulationMuscle RelaxationDiaphragmRespiratory MusclesRabbitsNeuromuscular JunctionRats, Inbred StrainsPapillary MusclesTime FactorsMuscle WeaknessGlycogenSelenoprotein WRNA, MessengerMuscle CellsMyosin Heavy ChainsNucleotide DeaminasesAbdominal MusclesMyofibrilsQuadriceps MuscleAortaMasseter MuscleKineticsMembrane PotentialsFacial MusclesMasticatory MusclesIntercostal MusclesCurareElectromyographyIon ChannelsPotassiumTracheaPhosphocreatineMuscular AtrophyAMP DeaminasePursuit, SmoothSatellite Cells, Skeletal MuscleSarcolemmaSmooth Muscle MyosinsTetrodotoxinAcetylcholineActinsDenervationPectoralis MusclesMotor NeuronsBungarotoxinsPhysical ExertionInsulinMuscular DiseasesDose-Response Relationship, DrugPhosphorylationGuinea PigsGlucoseSaxitoxinMyosinsGene Expression RegulationAgingAdenosine TriphosphateHistocytochemistryAction PotentialsPsoas MusclesRegenerationAnimals, NewbornMolecular Sequence DataMyocardiumSodiumTemporal MuscleCell DifferentiationSignal TransductionElectrophysiologyAminoimidazole CarboxamideRibonucleotidesProtein IsoformsBiomechanical PhenomenaAorta, Thoracic