Muscle Fibers, Slow-TwitchMusclesMuscle Fibers, SkeletalMuscle Fibers, Fast-TwitchMuscle ContractionMuscle, SkeletalMuscle DenervationMotor NeuronsMuscle ProteinsNeural ConductionMuscle DevelopmentMuscle, SmoothElectric StimulationSarcoplasmic ReticulumRana temporariaNerve FibersCatsMyofibrilsIsometric ContractionMuscle, Smooth, VascularTime FactorsRabbitsNeuromuscular JunctionMuscle FatigueDiaphragmCalcium-Transporting ATPasesMyosin Heavy ChainsMyocardiumCalciumMitochondria, MuscleSarcomeresMuscle SpindlesPsoas MusclesRana pipiensAnuraDietary FiberOculomotor MusclesMuscle RelaxationElectromyographyMuscular AtrophyMuscular DiseasesPapillary MusclesMuscle, StriatedMuscle WeaknessMembrane PotentialsAction PotentialsMolecular Sequence DataMotor EndplateHindlimbQuadriceps MuscleThoracicaRespiratory MusclesMasseter MuscleNeck MusclesMyocytes, Smooth MuscleMuscular Dystrophy, AnimalBiomechanical PhenomenaBase SequenceSatellite Cells, Skeletal MuscleMyosinsMasticatory MusclesMineral FibersAbdominal MusclesCaffeineSnakesIntercostal MusclesHistocytochemistryMice, Inbred mdxSarcolemmaRanidaeMuscle CellsFacial MusclesRana esculentaRats, WistarTubocurarineMicroscopy, ElectronCotton FiberPectoralis MusclesPurkinje FibersModels, BiologicalKineticsDystrophinRegenerationNADH Tetrazolium ReductaseCells, CulturedElectrophysiologyRats, Sprague-DawleyMyocardial ContractionMyoblastsReceptors, CholinergicNeuromuscular Blocking AgentsSkeletal Muscle MyosinsTendonsGlycogenActinsStress, MechanicalNeuromuscular Nondepolarizing AgentsAgingTetanyIsotonic Contraction