Muscle Fibers, Slow-TwitchMusclesMuscle Fibers, SkeletalMuscle Fibers, Fast-TwitchMuscle ContractionMuscle, SkeletalMuscle DenervationMotor NeuronsMuscle ProteinsNeural ConductionMuscle DevelopmentMuscle, SmoothElectric StimulationSarcoplasmic ReticulumRana temporariaNerve FibersCatsMyofibrilsIsometric ContractionMuscle, Smooth, VascularTime FactorsNeuromuscular JunctionRabbitsMuscle FatigueDiaphragmCalcium-Transporting ATPasesMyosin Heavy ChainsMyocardiumCalciumMitochondria, MuscleSarcomeresMuscle SpindlesPsoas MusclesRana pipiensAnuraDietary FiberMuscle RelaxationOculomotor MusclesElectromyographyMuscular AtrophyMuscular DiseasesPapillary MusclesMuscle, StriatedMuscle WeaknessMembrane PotentialsMotor EndplateAction PotentialsHindlimbThoracicaQuadriceps MuscleRespiratory MusclesMasseter MuscleNeck MusclesMyocytes, Smooth MuscleMuscular Dystrophy, AnimalMolecular Sequence DataSatellite Cells, Skeletal MuscleBiomechanical PhenomenaMyosinsMasticatory MusclesMineral FibersAbdominal MusclesBase SequenceCaffeineSnakesIntercostal MusclesMice, Inbred mdxHistocytochemistrySarcolemmaRanidaeMuscle CellsFacial MusclesRana esculentaTubocurarineCotton FiberPectoralis MusclesMicroscopy, ElectronRats, WistarPurkinje FibersDystrophinRegenerationNADH Tetrazolium ReductaseKineticsModels, BiologicalMyocardial ContractionElectrophysiologyMyoblastsReceptors, CholinergicSkeletal Muscle MyosinsNeuromuscular Blocking AgentsTendonsCells, CulturedGlycogenRats, Sprague-DawleyActinsTetanyNeuromuscular Nondepolarizing AgentsIsotonic ContractionStress, MechanicalSuccinylcholine