Muscle Fibers, Slow-TwitchMusclesMuscle Fibers, SkeletalMuscle Fibers, Fast-TwitchHypertrophyMuscle ContractionMuscle, SkeletalMuscle DenervationHypertrophy, Left VentricularMuscle ProteinsCardiomegalyMotor NeuronsMuscle DevelopmentNeural ConductionMuscle, SmoothSarcoplasmic ReticulumElectric StimulationMyocardiumRana temporariaMyofibrilsNerve FibersCatsMuscle, Smooth, VascularTime FactorsIsometric ContractionMyosin Heavy ChainsRabbitsNeuromuscular JunctionMuscle FatigueCalcium-Transporting ATPasesCalciumDiaphragmSarcomeresWeight GainMitochondria, MuscleMuscle SpindlesMuscular AtrophyPsoas MusclesAnuraDietary FiberRana pipiensMuscle RelaxationOculomotor MusclesMuscular DiseasesElectromyographyHypertrophy, Right VentricularPapillary MusclesAction PotentialsMuscle, StriatedMuscle WeaknessMembrane PotentialsOrgan SizeRats, Sprague-DawleyRats, WistarHindlimbQuadriceps MuscleMotor EndplateMasseter MuscleMyocardial ContractionMolecular Sequence DataMyocytes, Smooth MuscleSatellite Cells, Skeletal MuscleThoracicaHeartMyosinsRespiratory MusclesMyocytes, CardiacMuscular Dystrophy, AnimalNeck MusclesCells, CulturedMuscle CellsBiomechanical PhenomenaBase SequenceMasticatory MusclesMineral FibersCaffeineAbdominal MusclesHistocytochemistryMice, Inbred mdxSarcolemmaSnakesIntercostal MusclesHeart VentriclesBody WeightMicroscopy, ElectronRanidaeRNA, MessengerMice, Inbred C57BLPectoralis MusclesFacial MusclesModels, BiologicalRana esculentaDisease Models, AnimalTubocurarineMice, TransgenicCotton FiberStress, MechanicalRegenerationSignal TransductionPurkinje Fibers