Notophthalmus viridescensSalamandridaeRegenerationExtremitiesMuscle, SkeletalMusclesSatellite Cells, Skeletal MuscleMuscle DevelopmentMuscle Fibers, SkeletalTriturusCardiotoxinsMyoblastsMuscle ProteinsCobra Cardiotoxin ProteinsAmbystoma mexicanumLimb BudsMuscle, SmoothMyoblasts, SkeletalMyoD ProteinMuscle ContractionNerve RegenerationPAX7 Transcription FactorMuscle, Smooth, VascularMice, Inbred mdxHindlimbLiver RegenerationMuscle Fibers, Fast-TwitchMuscular DiseasesMuscle Fibers, Slow-TwitchForelimbCell DifferentiationMuscle FatigueMyogeninMuscular Dystrophy, AnimalElectromyographyMuscular AtrophyAmbystomaMuscle CellsTurbellariaPlanariansMyogenic Regulatory Factor 5Oculomotor MusclesAnimal FinsUrodelaMuscle DenervationMice, Inbred C57BLMuscle WeaknessMuscular DystrophiesMuscular Dystrophy, DuchenneMitochondria, MuscleTailRespiratory MusclesTime FactorsNeck MusclesCells, CulturedMyostatinStem CellsMasticatory MusclesMyocytes, Smooth MuscleLegAmputationNotophthalmusBone RegenerationGene Expression Regulation, DevelopmentalCell ProliferationMuscle SpindlesAbdominal MusclesMyosin Heavy ChainsLower ExtremityMasseter MuscleMice, KnockoutQuadriceps MuscleSignal TransductionImmunohistochemistryLimb SalvageWound HealingIsometric ContractionMuscle, StriatedLimb Deformities, CongenitalMuscle RelaxationIn Situ HybridizationMyogenic Regulatory FactorsDiaphragmFacial MusclesIntercostal Muscles