Muscle, SkeletalMusclesMuscle ProteinsMuscle Fibers, SkeletalMyostatinMuscle ContractionMuscle DevelopmentMuscle, SmoothMuscle, Smooth, VascularMuscular AtrophyMuscle StrengthSarcopeniaQuadriceps MuscleMitochondria, MuscleExerciseResistance TrainingIsometric ContractionHindlimbMuscle FatigueMuscle Fibers, Fast-TwitchPhysical EnduranceMuscle DenervationMuscle Fibers, Slow-TwitchElectromyographyGlycogenHypertrophyMyocytes, Smooth MuscleCreatinePhysical ExertionNeck MusclesOculomotor MusclesElectric Stimulation TherapyMuscle, StriatedRegional Blood FlowLegMuscle SpindlesMuscle RelaxationAdaptation, PhysiologicalRespiratory MusclesInsulinMuscle WeaknessPapillary MusclesOrgan SizeTime FactorsOxygen ConsumptionGlucose Transporter Type 4Abdominal MusclesForearmAgingBody CompositionLactic AcidGlucoseMuscle CellsExercise TherapyMasseter MuscleRats, Sprague-DawleyFacial MusclesMasticatory MusclesIntercostal MusclesSympathetic Nervous SystemDietary SupplementsBlood GlucoseSatellite Cells, Skeletal MuscleExercise TestSignal TransductionInsulin-Like Growth Factor IPectoralis MusclesMice, Inbred C57BLMuscular DiseasesHeart RatePsoas MusclesMyofibrilsTemporal MuscleBlood PressureRabbitsElectric StimulationCells, CulturedMyosin Heavy ChainsCalciumPharyngeal MusclesDiaphragmBiomechanical PhenomenaMotor NeuronsNeuromuscular JunctionMuscular Dystrophy, AnimalMyoblastsRNA, MessengerMuscle CrampActinsRats, WistarRegenerationMice, Inbred mdxSarcomeresMyoD ProteinMuscle Stretching ExercisesMyocardiumMuscle RigidityDystrophinMyoblasts, SkeletalAorta