Muscle DevelopmentMusclesMuscle, SkeletalMuscle ProteinsMuscle Fibers, SkeletalMuscle, SmoothMyoD ProteinMuscle, Smooth, VascularMyoblastsMyoblasts, SkeletalMuscle ContractionGene Expression Regulation, DevelopmentalMyogenic Regulatory FactorsMuscle Fibers, Fast-TwitchMuscle Fibers, Slow-TwitchMyogeninMyogenic Regulatory Factor 5Muscle DenervationMuscle, StriatedMuscle CellsMuscle FatigueCell DifferentiationPectoralis MusclesMyostatinFacial MusclesEmbryo, NonmammalianMyofibrilsSatellite Cells, Skeletal MuscleMuscular DiseasesMitochondria, MuscleMyocytes, Smooth MuscleMyosin Heavy ChainsSomitesOculomotor MusclesNeck MusclesPAX7 Transcription FactorZebrafishMEF2 Transcription FactorsChick EmbryoExtremitiesCells, CulturedMolecular Sequence DataRNA, MessengerIn Situ HybridizationMuscle SpindlesMuscle RelaxationMuscle WeaknessRespiratory MusclesMuscular AtrophyTranscription FactorsPapillary MusclesSarcomeresPaired Box Transcription FactorsTime FactorsMutationPhenotypeMesodermBase SequenceAbdominal MusclesZebrafish ProteinsRegenerationQuadriceps MuscleLarvaFlight, AnimalDrosophila ProteinsActinsMasseter MuscleSignal TransductionElectromyographyImmunohistochemistryGene Expression RegulationMasticatory MusclesCell FusionIntercostal MusclesDesminMice, TransgenicAnimals, Genetically ModifiedMuscular DystrophiesDrosophilaMice, KnockoutHindlimbMyosinsMyocardiumAmino Acid SequenceDNA-Binding ProteinsIsometric ContractionNeuromuscular JunctionBody PatterningMotor NeuronsDiaphragmHypertrophyHeartMice, Inbred C57BLModels, BiologicalProtein IsoformsAbnormalities, MultipleAgingMorphogenesisAnimals, NewbornFetus