Muscular AtrophyMuscle, SkeletalMuscle Fibers, SkeletalHindlimb SuspensionSKP Cullin F-Box Protein LigasesMuscle ProteinsMusclesAtrophyMuscular Disorders, AtrophicMuscle DenervationMuscle Fibers, Fast-TwitchMuscle ContractionMuscle Fibers, Slow-TwitchMyostatinMuscle DevelopmentSatellite Cells, Skeletal MuscleCachexiaUbiquitin-Protein LigasesMuscle, SmoothMyosin Heavy ChainsMitochondria, MuscleMuscle, Smooth, VascularMyoblastsMuscle FatigueHindlimbMyofibrilsSpace FlightBed RestMuscular DiseasesOrgan SizeIsometric ContractionWeightlessnessMuscle WeaknessSignal TransductionProteasome Endopeptidase ComplexGene Expression RegulationMice, Inbred C57BLRats, WistarRNA, MessengerQuadriceps MuscleRats, Sprague-DawleyMice, TransgenicImmobilizationNerve FibersForkhead Transcription FactorsOculomotor MusclesRana temporariaInsulin-Like Growth Factor IMice, KnockoutMuscle CellsMuscle SpindlesMuscle, StriatedDisease Models, AnimalMuscle RelaxationRabbitsCalciumMuscular Atrophy, SpinalPsoas MusclesNeuromuscular JunctionDiaphragmBody WeightTime FactorsMyocytes, Smooth MuscleSarcomeresNeck MusclesUbiquitinProto-Oncogene Proteins c-aktElectric StimulationElectromyographyMyoblasts, SkeletalMotor NeuronsRespiratory MusclesRegenerationMuscular Dystrophy, AnimalMyoD ProteinHypertrophyMyogeninMasseter MuscleOptic AtrophySarcolemmaPapillary MusclesSkeletal Muscle MyosinsGlucocorticoidsMice, Inbred mdxAbdominal MusclesRana pipiensGlycogenCell LineSarcoplasmic ReticulumSarcopeniaCells, CulturedAgingMasticatory MusclesOxidative StressIntercostal MusclesAnuraFacial MusclesBiomechanical PhenomenaPectoralis MusclesDystrophin