Muscle, SmoothSerum Response ElementSerum Response FactorMuscle, Smooth, VascularMusclesMyocytes, Smooth MuscleMuscle ProteinsMuscle, SkeletalNuclear ProteinsTrans-ActivatorsMuscle ContractionMuscle DevelopmentMuscle Fibers, SkeletalMyocardiumHeartCells, CulturedMyocytes, CardiacMyoD ProteinMuscle Fibers, Fast-TwitchPapillary MusclesMuscle Fibers, Slow-TwitchCalciumMuscle RelaxationRabbitsMuscle FatigueMuscle DenervationAortaMitochondria, MuscleActinsGene Expression RegulationMyogenic Regulatory FactorsMyocardial ContractionRNA, MessengerMyosin Heavy ChainsTime FactorsMyofibrilsRats, Sprague-DawleyIsometric ContractionMuscle CellsMuscle, StriatedOculomotor MusclesNeck MusclesMyogeninTracheaGuinea PigsQuadriceps MuscleCell DifferentiationMuscle SpindlesMyosinsTropomyosinMolecular Sequence DataSarcomeresRespiratory MusclesSmooth Muscle MyosinsCardiac OutputSignal TransductionMuscle WeaknessMEF2 Transcription FactorsMyoblastsMuscular AtrophyRats, WistarDogsAbdominal MusclesGene ExpressionGene Expression Regulation, DevelopmentalElectric StimulationBase SequenceMembrane PotentialsCreatine Kinase, MM FormDose-Response Relationship, DrugTranscription FactorsPhosphorylationMasseter MuscleSarcoplasmic ReticulumHeart VentriclesAorta, ThoracicFacial MusclesMuscular DiseasesMasticatory MusclesTranscription, GeneticMice, Inbred C57BLCreatine KinaseIntercostal MusclesElectromyographyTroponin CMice, TransgenicAmino Acid SequenceTroponinImmunohistochemistryKineticsArrhythmias, CardiacDesminChickensOrgan SpecificityCell LineBlotting, WesternSarcolemmaReverse Transcriptase Polymerase Chain ReactionSatellite Cells, Skeletal MuscleModels, Biological