Notophthalmus viridescensSalamandridaeRegenerationExtremitiesMuscle, SkeletalMusclesSatellite Cells, Skeletal MuscleMuscle Fibers, SkeletalMuscle DevelopmentMuscle ProteinsMyoblastsTriturusCardiotoxinsCobra Cardiotoxin ProteinsMuscle ContractionMyoblasts, SkeletalAmbystoma mexicanumMyoD ProteinLimb BudsMuscle, SmoothMuscle Fibers, Fast-TwitchPAX7 Transcription FactorMice, Inbred mdxMuscle Fibers, Slow-TwitchHindlimbNerve RegenerationMuscular DiseasesMuscle, Smooth, VascularMuscular AtrophyLiver RegenerationCell DifferentiationForelimbMuscle FatigueMitochondria, MuscleMyogeninMuscular Dystrophy, AnimalMuscle CellsMuscle DenervationMyogenic Regulatory Factor 5ElectromyographyMice, Inbred C57BLAmbystomaMyostatinMuscular DystrophiesOculomotor MusclesTurbellariaMuscular Dystrophy, DuchennePlanariansTime FactorsMuscle WeaknessUrodelaAnimal FinsCells, CulturedMyosin Heavy ChainsLegRespiratory MusclesQuadriceps MuscleTailMice, KnockoutStem CellsIsometric ContractionNeck MusclesSignal TransductionGene Expression Regulation, DevelopmentalMasticatory MusclesRNA, MessengerCell ProliferationMyocytes, Smooth MuscleAbdominal MusclesAmputationMuscle SpindlesImmunohistochemistryNotophthalmusMyogenic Regulatory FactorsBone RegenerationDystrophinDiaphragmMasseter MuscleLower ExtremityMuscle, StriatedMyofibrilsGene Expression RegulationWound HealingMuscle RelaxationLimb SalvageMolecular Sequence DataIn Situ HybridizationIschemiaRabbitsLimb Deformities, CongenitalBiomechanical PhenomenaMice, TransgenicMyositisIntercostal MusclesDisease Models, AnimalGene ExpressionFacial MusclesMotor NeuronsRats, Sprague-DawleyPapillary Muscles