Muscle, SkeletalMuscle ContractionMusclesMuscle Fibers, SkeletalMuscle Fibers, Fast-TwitchMuscle Fibers, Slow-TwitchMuscle ProteinsIsometric ContractionRana temporariaSarcoplasmic ReticulumRana pipiensMuscle, SmoothAnuraMuscle FatigueCalciumRanidaeTroponin CTroponinMuscle DevelopmentMyosinsElectric StimulationRabbitsMuscle, Smooth, VascularTropomyosinMyofibrilsMitochondria, MuscleRana esculentaRana catesbeianaMuscle DenervationSatellite Cells, Skeletal MuscleSarcomeresMuscle RelaxationRegional Blood FlowMuscular AtrophyTetracaineMembrane PotentialsTime FactorsCaffeineMuscular DiseasesHindlimbKineticsQuadriceps MuscleMuscle CellsElectromyographyGlycogenMyocytes, Smooth MuscleMuscle, StriatedMuscle SpindlesMuscle WeaknessMyoblastsSarcolemmaNaphthalenesulfonatesDiaphragmPotassiumOculomotor MusclesMyosin Heavy ChainsPapillary MusclesModels, BiologicalNeck MusclesRyanodine Receptor Calcium Release ChannelNeuromuscular JunctionRespiratory MusclesAdenosine TriphosphateRats, WistarInsulinMyoblasts, SkeletalActinsRats, Sprague-DawleyMyocardiumPhysical ExertionRNA, MessengerAction PotentialsElectrophysiologyArsenazo IIIMyocardial ContractionBiomechanical PhenomenaAbdominal MusclesCells, CulturedDantroleneMyoD ProteinIon ChannelsMyostatinExerciseGlucoseMuscular Dystrophy, AnimalElectric ConductivityHypertonic SolutionsMotor NeuronsRegenerationCalcium ChannelsEnergy MetabolismMice, Inbred mdxPhysical Conditioning, AnimalOxygen ConsumptionPsoas MusclesPhysical EnduranceMasseter MuscleSignal TransductionMolecular Sequence DataGlucose Transporter Type 4