Muscle Fibers, Slow-TwitchMuscle Fibers, SkeletalMuscle Fibers, Fast-TwitchMuscle, SkeletalMusclesMuscle ContractionMitochondria, MuscleMuscle DenervationCitrate (si)-SynthaseMotor NeuronsGlycogenMuscle ProteinsPhysical Conditioning, AnimalNeural ConductionMuscle DevelopmentMuscle, SmoothElectric StimulationSarcoplasmic ReticulumOxidation-ReductionOxygen ConsumptionGlycolysisRana temporariaNerve FibersRats, WistarCatsMyofibrilsIsometric ContractionMuscle, Smooth, VascularTime FactorsNeuromuscular JunctionRabbitsMuscle FatigueDiaphragmCalcium-Transporting ATPasesMyosin Heavy ChainsMyocardiumCalciumSarcomeresMuscle SpindlesPsoas MusclesRana pipiensAnuraDietary FiberMuscle RelaxationOculomotor MusclesElectromyographyMuscular AtrophyMuscular DiseasesPapillary MusclesMuscle, StriatedMuscle WeaknessMembrane PotentialsMotor EndplateAction PotentialsHindlimbThoracicaQuadriceps MuscleChemexfoliationMasseter MuscleNeck MusclesMyocytes, Smooth MuscleMuscular Dystrophy, AnimalMolecular Sequence DataSatellite Cells, Skeletal MuscleBiomechanical PhenomenaMyosinsMasticatory MusclesMineral FibersAbdominal MusclesBase SequenceCaffeineSnakesIntercostal MusclesMice, Inbred mdxHistocytochemistrySarcolemmaRanidaeMuscle CellsFacial MusclesRana esculentaTubocurarineCotton FiberPectoralis MusclesMicroscopy, ElectronPurkinje FibersDystrophinRegenerationNADH Tetrazolium ReductaseKineticsModels, BiologicalMyocardial ContractionElectrophysiologyMyoblastsReceptors, CholinergicSkeletal Muscle MyosinsNeuromuscular Blocking AgentsTendonsCells, CulturedRats, Sprague-DawleyActins