Muscle, SkeletalMuscle ContractionMusclesMuscle Fibers, SkeletalMuscle ProteinsIsometric ContractionRana temporariaRana pipiensMuscle, SmoothAnuraMuscle FatigueCalciumRanidaeTroponin CTroponinMuscle DevelopmentMyosinsRabbitsElectric StimulationMuscle, Smooth, VascularMuscle Fibers, Fast-TwitchTropomyosinMitochondria, MuscleMuscle Fibers, Slow-TwitchRana esculentaMyofibrilsRana catesbeianaMuscle DenervationSatellite Cells, Skeletal MuscleSarcoplasmic ReticulumRegional Blood FlowSarcomeresMuscle RelaxationMuscular AtrophyTetracaineMembrane PotentialsMuscular DiseasesTime FactorsCaffeineHindlimbKineticsMuscle CellsQuadriceps MuscleMyocytes, Smooth MuscleGlycogenMuscle, StriatedMyoblastsMuscle WeaknessMuscle SpindlesSarcolemmaElectromyographyNaphthalenesulfonatesOculomotor MusclesMyosin Heavy ChainsPotassiumNeck MusclesModels, BiologicalRyanodine Receptor Calcium Release ChannelInsulinMyoblasts, SkeletalActinsAdenosine TriphosphateRespiratory MusclesRats, WistarRats, Sprague-DawleyRNA, MessengerPapillary MusclesPhysical ExertionMyocardiumMyoD ProteinCells, CulturedElectrophysiologyMyostatinAbdominal MusclesGlucoseDiaphragmExerciseArsenazo IIIIon ChannelsMuscular Dystrophy, AnimalBiomechanical PhenomenaRegenerationElectric ConductivityAction PotentialsMice, Inbred mdxCalcium ChannelsDantroleneNeuromuscular JunctionEnergy MetabolismHypertonic SolutionsPhysical Conditioning, AnimalPsoas MusclesOxygen ConsumptionMyocardial ContractionGlucose Transporter Type 4Masseter MuscleSignal TransductionMolecular Sequence DataMice, Inbred C57BLPhysical Endurance