Body CompositionMyostatinMuscle DevelopmentMuscle, SkeletalMusclesMuscle ProteinsMuscle Fibers, SkeletalSatellite Cells, Skeletal MuscleMuscle, SmoothMuscle, Smooth, VascularRecovery of FunctionHypertrophyMuscle ContractionMuscular AtrophyMyoblastsMuscle Fibers, Fast-TwitchMuscle DenervationMuscle Fibers, Slow-TwitchMuscle FatigueActivin Receptors, Type IIMyocytes, Smooth MusclePAX7 Transcription FactorRegenerationFollistatinOrgan SizePectoralis MusclesMuscular DiseasesMyoD ProteinMitochondria, MuscleBody WeightInsulin-Like Growth Factor IMeatTime FactorsMyoblasts, SkeletalCells, CulturedNeck MusclesCreatine Kinase, MM FormOculomotor MusclesMyogeninSignal TransductionMice, Inbred C57BLMuscle, StriatedMyofibrilsMuscle SpindlesMyosin Heavy ChainsMuscle RelaxationMuscle WeaknessClenbuterolHindlimb SuspensionAdipose TissueRNA, MessengerRigor MortisRespiratory MusclesPapillary MusclesFish ProteinsThinnessCell DifferentiationQuadriceps MuscleHindlimbTransforming Growth Factor betaAbdominal MusclesMice, KnockoutGene Expression RegulationMuscle CellsRats, Sprague-DawleyMasseter MuscleElectromyographyMyogenic Regulatory FactorsFacial MusclesAgingObesityMasticatory MusclesCell ProliferationGene Expression Regulation, DevelopmentalIsometric ContractionInsulinIntercostal MusclesExtremitiesWeight GainAnabolic AgentsCattleSKP Cullin F-Box Protein LigasesAdaptation, PhysiologicalMice, Inbred mdxMethylhistidinesSwineMuscular DystrophiesRandom AllocationMyogenic Regulatory Factor 5EatingReverse Transcriptase Polymerase Chain ReactionMice, TransgenicPhenotypeSalmo salarRibosomal Protein S6 Kinases, 70-kDaGrowth HormoneChickensElectric StimulationGene ExpressionRabbits