MusclesRestMuscle ProteinsMuscle, SmoothMuscle, SkeletalMuscle Fibers, SkeletalMuscle, Smooth, VascularMuscle ContractionMuscle DevelopmentBed RestMuscle FatigueMuscle Fibers, Fast-TwitchMuscle DenervationMuscle Fibers, Slow-TwitchMyocytes, Smooth MuscleMitochondria, MuscleNeck MusclesOculomotor MusclesMuscle, StriatedMuscle SpindlesMuscle RelaxationRespiratory MusclesMuscle WeaknessPapillary MusclesAbdominal MusclesQuadriceps MuscleMuscle CellsMasseter MuscleElectromyographyFacial MusclesMasticatory MusclesIntercostal MusclesIsometric ContractionMuscular AtrophySatellite Cells, Skeletal MusclePectoralis MusclesMuscular DiseasesTime FactorsPsoas MusclesElectric StimulationHindlimbMyofibrilsPhysical ExertionTemporal MuscleRabbitsExerciseCells, CulturedCalciumMyosin Heavy ChainsBiomechanical PhenomenaDiaphragmPharyngeal MusclesGlycogenMotor NeuronsNeuromuscular JunctionLegRats, Sprague-DawleyOxygen ConsumptionRNA, MessengerMuscle CrampMuscular Dystrophy, AnimalMyoblastsPhysical EnduranceActinsRats, WistarMyocardiumSarcomeresRegenerationMyostatinMice, Inbred mdxMyoD ProteinMuscle Stretching ExercisesMuscle RigidityKineticsExercise TestAgingRegional Blood FlowInsulinGene Expression RegulationTendonsHypertrophySignal TransductionThighMembrane PotentialsAortaModels, BiologicalCatsPhosphocreatineMolecular Sequence DataEnergy MetabolismDystrophinHindlimb SuspensionMice, Inbred C57BLHeartMyoblasts, SkeletalCreatine KinaseGuinea PigsTorqueSarcoplasmic ReticulumAnura