Muscle ContractionMuscle, SkeletalOxidative StressMuscle Fibers, SkeletalIsometric ContractionMusclesTroponin CTroponinMuscle ProteinsMyosinsMuscle FatigueTropomyosinCalciumRabbitsElectric StimulationMuscle, SmoothDietary SupplementsRegional Blood FlowMuscle, Smooth, VascularMuscle DevelopmentMuscle Fibers, Fast-TwitchAntioxidantsMitochondria, MuscleMuscle Fibers, Slow-TwitchMuscle RelaxationMyocardial ContractionTime FactorsRats, WistarUterine ContractionReactive Oxygen SpeciesRats, Sprague-DawleyMuscle DenervationElectromyographyMyofibrilsSatellite Cells, Skeletal MuscleMuscular AtrophyHydrogen PeroxideDose-Response Relationship, DrugHindlimbCells, CulturedMuscular DiseasesLipid PeroxidationSuperoxide DismutaseOxidation-ReductionMyocardiumRNA, MessengerMyocytes, Smooth MuscleMuscle SpindlesSignal TransductionGlutathioneMuscle CellsGlycogenQuadriceps MuscleGuinea PigsMice, Inbred C57BLPhysical ExertionActinsVasoconstrictionInsulinMuscle, StriatedSarcomeresAgingModels, BiologicalGlucosePhosphorylationMalondialdehydeTracheaAdenosine TriphosphateExerciseSarcoplasmic ReticulumMuscle WeaknessMyoblastsKineticsVitamin EMyosin Heavy ChainsDiaphragmPhysical Conditioning, AnimalOxidantsBody WeightOxygen ConsumptionMotor NeuronsDisease Models, AnimalBiomechanical PhenomenaPotassium ChlorideAcetylcholineEnergy MetabolismMyosin Light ChainsGene Expression RegulationPapillary MusclesNeck MusclesMolecular Sequence DataOculomotor MusclesPhysical EnduranceThiobarbituric Acid Reactive SubstancesMice, KnockoutIsotonic ContractionBlotting, WesternAscorbic AcidRespiratory MusclesDouble-Blind Method