MusclesMuscle, SkeletalMuscle ProteinsExercise TestMuscle, SmoothMuscle Fibers, SkeletalMuscle ContractionExerciseExercise TherapyMuscle DevelopmentMuscle, Smooth, VascularMuscular AtrophyExercise ToleranceMuscle FatigueSarcopeniaMuscle Fibers, Fast-TwitchMyostatinPhysical ExertionMuscle Fibers, Slow-TwitchMuscle DenervationSciatic NerveMitochondria, MuscleMuscle WeaknessQuadriceps MuscleNeck MusclesMyocytes, Smooth MusclePeripheral NervesOxygen ConsumptionPhysical EnduranceRespiratory MusclesOculomotor MusclesIsometric ContractionMuscle SpindlesMuscle, StriatedMuscle RelaxationNerve FibersPapillary MusclesOptic NerveElectromyographyOrgan SizeMuscle StrengthAbdominal MusclesBody CompositionMuscle CellsAgingTime FactorsSatellite Cells, Skeletal MuscleMuscular DiseasesMasseter MuscleHindlimbLegNerve RegenerationIntercostal MusclesFacial MusclesElectric StimulationMasticatory MusclesPectoralis MusclesResistance TrainingBody WeightMass SpectrometryHindlimb SuspensionGlycogenHypertrophyThighNerve EndingsMyosin Heavy ChainsMuscle Stretching ExercisesRats, Sprague-DawleyBiomechanical PhenomenaTemporal MuscleNerve BlockBody Mass IndexRunningTibial NerveEnergy MetabolismMyofibrilsBicyclingMuscular Disorders, AtrophicMedian NerveSural NerveMotor NeuronsFacial NerveHeart RateNerve CrushDiaphragmPhysical FitnessAdaptation, PhysiologicalRats, WistarLactic AcidUlnar NervePeripheral Nerve InjuriesWeight LiftingCells, CulturedRegional Blood FlowRabbitsNeuromuscular JunctionRestRNA, MessengerFemoral NervePsoas Muscles