Muscle, SkeletalMuscle ContractionMusclesMuscle Fibers, SkeletalMuscle ProteinsIsometric ContractionRana temporariaRana pipiensMuscle, SmoothAnuraMuscle FatigueCalciumRanidaeTroponin CTroponinMuscle DevelopmentMyosinsElectric StimulationRabbitsMuscle Fibers, Fast-TwitchMuscle, Smooth, VascularMuscle DenervationMuscle Fibers, Slow-TwitchTropomyosinRana esculentaMyofibrilsRana catesbeianaMitochondria, MuscleMuscle RelaxationRegional Blood FlowSarcoplasmic ReticulumSarcomeresTetracaineMembrane PotentialsTime FactorsSatellite Cells, Skeletal MuscleCaffeineMuscular AtrophyHindlimbMuscle SpindlesKineticsElectromyographyMuscular DiseasesMyocytes, Smooth MuscleDiaphragmPotassiumQuadriceps MuscleMuscle, StriatedNeuromuscular JunctionGlycogenRats, WistarMuscle CellsNaphthalenesulfonatesMuscle WeaknessOculomotor MusclesPapillary MusclesSarcolemmaNeck MusclesAction PotentialsRats, Sprague-DawleyModels, BiologicalRespiratory MusclesMyosin Heavy ChainsIon ChannelsElectrophysiologyAdenosine TriphosphateArsenazo IIIMyocardial ContractionAbdominal MusclesElectric ConductivityPhysical ExertionBiomechanical PhenomenaMotor NeuronsMyoblastsActinsMyocardiumCells, CulturedInsulinRNA, MessengerRyanodine Receptor Calcium Release ChannelDantroleneHypertonic SolutionsGlucoseMasseter MuscleReceptors, CholinergicMotor EndplateMasticatory MusclesFacial MusclesPhosphocreatineMyoblasts, SkeletalDose-Response Relationship, DrugSodiumMagnesiumRegenerationCalcium ChannelsExercisePsoas MusclesMuscular Dystrophy, AnimalIntercostal MusclesOxygen Consumption