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 MusclesAnuraRana pipiensDietary FiberOculomotor MusclesMuscle RelaxationElectromyographyMuscular AtrophyMuscular DiseasesPapillary MusclesMuscle, StriatedMuscle WeaknessAction PotentialsMembrane PotentialsHindlimbMotor EndplateQuadriceps MuscleThoracicaRespiratory MusclesNeck MusclesMasseter MuscleMyocytes, Smooth MuscleMuscular Dystrophy, AnimalMolecular Sequence DataMyosinsSatellite Cells, Skeletal MuscleBiomechanical PhenomenaMasticatory MusclesMineral FibersAbdominal MusclesBase SequenceCaffeineSnakesIntercostal MusclesMice, Inbred mdxHistocytochemistrySarcolemmaRanidaeMuscle CellsRana esculentaFacial MusclesModels, BiologicalPectoralis MusclesTubocurarineMicroscopy, ElectronCotton FiberRats, WistarPurkinje FibersKineticsDystrophinRegenerationElectrophysiologyNADH Tetrazolium ReductaseMyocardial ContractionTendonsStress, MechanicalMyoblastsReceptors, CholinergicCells, CulturedActinsAgingSkeletal Muscle MyosinsRats, Sprague-DawleyNeuromuscular Blocking AgentsTorqueGlycogenIsotonic ContractionTetany