Muscle Fibers, Fast-TwitchMusclesMuscle Fibers, Slow-TwitchMuscle Fibers, SkeletalMuscle ContractionMuscle, SkeletalMuscle DenervationMuscle ProteinsSarcoplasmic ReticulumCalcium-Transporting ATPasesRabbitsMuscle DevelopmentCalciumMuscle, SmoothRana temporariaNerve FibersMyofibrilsIsometric ContractionMuscle, Smooth, VascularElectric StimulationNeuromuscular JunctionMuscle FatigueMyosin Heavy ChainsDiaphragmMitochondria, MuscleSarcomeresMuscle SpindlesTime FactorsAnuraPsoas MusclesMotor NeuronsRana pipiensDietary FiberOculomotor MusclesMuscle RelaxationElectromyographyMuscular AtrophyMuscular DiseasesPapillary MusclesMembrane PotentialsAction PotentialsMuscle, StriatedMuscle WeaknessHindlimbMotor EndplateThoracicaBiomechanical PhenomenaQuadriceps MuscleMasseter MuscleRespiratory MusclesNeck MusclesMyosinsMyocytes, Smooth MuscleMuscular Dystrophy, AnimalMicroscopy, ElectronSatellite Cells, Skeletal MuscleMasticatory MusclesHistocytochemistryAbdominal MusclesMineral FibersSnakesCaffeineIntercostal MusclesMice, Inbred mdxRanidaeSarcolemmaRats, WistarCatsKineticsMuscle CellsCells, CulturedModels, BiologicalRana esculentaFacial MusclesNeural ConductionTubocurarineElectrophysiologyCotton FiberPectoralis MusclesPurkinje FibersActinsRats, Sprague-DawleyRegenerationImmunohistochemistryDystrophinAxonsMyocardial ContractionNADH Tetrazolium ReductaseStress, MechanicalTendonsMyocardiumMyoblastsReceptors, CholinergicSkeletal Muscle MyosinsNeuromuscular Blocking AgentsGlycogenPotassiumTetanyAgingCrustacea