Muscle DevelopmentMusclesMuscle, SkeletalMuscle ProteinsMuscle Fibers, SkeletalMuscle, SmoothMyoD ProteinMuscle, Smooth, VascularMyoblastsMyoblasts, SkeletalMuscle ContractionMyogenic Regulatory FactorsGene Expression Regulation, DevelopmentalMuscle Fibers, Fast-TwitchMuscle Fibers, Slow-TwitchMyogeninMyogenic Regulatory Factor 5Muscle DenervationMuscle, StriatedMuscle CellsMuscle FatiguePectoralis MusclesCell DifferentiationMyostatinFacial MusclesEmbryo, NonmammalianSatellite Cells, Skeletal MuscleMyofibrilsMyocytes, Smooth MuscleMuscular DiseasesMyosin Heavy ChainsMitochondria, MuscleSomitesPAX7 Transcription FactorNeck MusclesOculomotor MusclesMEF2 Transcription FactorsZebrafishChick EmbryoMuscle SpindlesExtremitiesMuscle RelaxationRespiratory MusclesMuscle WeaknessMuscular AtrophyPapillary MusclesIn Situ HybridizationSarcomeresCells, CulturedRNA, MessengerMolecular Sequence DataPaired Box Transcription FactorsTranscription FactorsAbdominal MusclesMesodermRegenerationQuadriceps MuscleZebrafish ProteinsLarvaFlight, AnimalMasseter MuscleDrosophila ProteinsActinsTime FactorsBase SequenceMasticatory MusclesCell FusionIntercostal MusclesDesminElectromyographySignal TransductionGene Expression RegulationHindlimbDrosophilaMyosinsAnimals, Genetically ModifiedIsometric ContractionMutationMuscular DystrophiesNeuromuscular JunctionImmunohistochemistryDiaphragmPhenotypeBody PatterningMotor NeuronsAmino Acid SequenceHypertrophyDNA-Binding ProteinsMyocardiumProtein IsoformsMice, TransgenicModels, BiologicalFibroblast Growth Factor 6Mice, KnockoutLimb BudsHeartCobra Cardiotoxin ProteinsGenes, InsectMorphogenesisChickens