Muscle ProteinsAtrophyMusclesMuscle, SkeletalMuscular AtrophyMuscle Fibers, SkeletalMuscle, SmoothMethylhistidinesPhenylalanineMuscle DevelopmentMuscle ContractionMuscle, Smooth, VascularOptic AtrophyLeucineAmino Acids, EssentialMuscular Atrophy, SpinalMuscle Fibers, Fast-TwitchAmino AcidsMuscle DenervationQuadriceps MuscleMuscle Fibers, Slow-TwitchMyofibrilsMuscle FatigueMitochondria, MuscleMultiple System AtrophyInsulinSarcopeniaConnectinMuscle WeaknessAmino Acids, Branched-ChainMuscular DiseasesMyocytes, Smooth MuscleSpinal Muscular Atrophies of ChildhoodMuscular Disorders, AtrophicSKP Cullin F-Box Protein LigasesOculomotor MusclesNeck MusclesAgingLegMuscle, StriatedCachexiaMuscle SpindlesMuscle RelaxationMuscle CellsRespiratory MusclesResistance TrainingPapillary MusclesTOR Serine-Threonine KinasesMyostatinHindlimb SuspensionExerciseDietary ProteinsTime FactorsOlivopontocerebellar AtrophiesAbdominal MusclesMyosin Heavy ChainsWeight LiftingOrgan SizeElectromyographyMasseter MuscleAnabolic AgentsGyrate AtrophyMasticatory MusclesFacial MusclesHindlimbProtein BiosynthesisRats, Sprague-DawleyKineticsBiopsyOxandroloneSatellite Cells, Skeletal MuscleRabbitsIntercostal MusclesIsometric ContractionSignal TransductionBlood GlucoseRibosomal Protein S6 Kinases, 70-kDaRNA, MessengerMyoblastsHIV Wasting SyndromeGeographic AtrophyRats, WistarPectoralis MusclesProtein KinasesEukaryotic Initiation Factor-4EProtein HydrolysatesInsulin-Like Growth Factor IDiaphragmHypertrophyImmobilizationBody WeightEnergy MetabolismCells, CulturedBed RestWasting SyndromeActinsPhosphorylationBurnsPostprandial PeriodRegional Blood Flow