Muscle Fibers, Slow-TwitchMusclesMuscle ContractionMuscle Fibers, Fast-TwitchMuscle Fibers, SkeletalMuscle, SkeletalMuscle DenervationMotor NeuronsNeural ConductionMuscle ProteinsRana temporariaSarcoplasmic ReticulumSnakesElectric StimulationMuscle, SmoothCatsMuscle DevelopmentMyofibrilsArsenazo IIICalcium-Transporting ATPasesMuscle, Smooth, VascularAnuraNeuromuscular JunctionTime FactorsRabbitsRana pipiensCalciumIsometric ContractionMuscle FatigueMyocardiumHeptaminolDiaphragmMembrane PotentialsMotor EndplateMitochondria, MuscleMuscle SpindlesAction PotentialsMuscle RelaxationHypertonic SolutionsOculomotor MusclesPapillary MusclesNerve FibersElectromyographyMyosin Heavy ChainsMuscle, StriatedMyocytes, Smooth MuscleMuscle WeaknessRespiratory MusclesMuscular AtrophySarcomeresNeck MusclesQuadriceps MusclePsoas MusclesMuscular DiseasesMolecular Sequence DataMasseter MuscleAbdominal MusclesBase SequenceHindlimbMasticatory MusclesTetrodotoxinIntercostal MusclesElectrophysiologySatellite Cells, Skeletal MuscleMuscle CellsPotassiumBiomechanical PhenomenaFacial MusclesTubocurarineDietary FiberMuscular Dystrophy, AnimalCaffeinePectoralis MusclesNeuromuscular Nondepolarizing AgentsMyocardial ContractionNeuromuscular Blocking AgentsRats, WistarMice, Inbred mdxSarcolemmaThoracicaSuccinylcholineHistocytochemistryRanidaeTorqueTetanyPhrenic NerveCells, CulturedMyosinsRats, Sprague-DawleyKineticsGlycogenMicroscopy, ElectronRana esculentaMyoblastsTemporal MuscleRegenerationPancuroniumModels, BiologicalDystrophinActins