Muscle ContractionMuscle, SkeletalMuscle Fibers, SkeletalIsometric ContractionMusclesTroponin CTroponinMuscle ProteinsMyosinsMuscle FatigueTropomyosinElectric StimulationRabbitsCalciumMuscle, SmoothRegional Blood FlowMuscle, Smooth, VascularMuscle DevelopmentSciatic NerveMuscle Fibers, Fast-TwitchMuscle Fibers, Slow-TwitchMitochondria, MuscleMuscle RelaxationPeripheral NervesElectromyographyMyocardial ContractionUterine ContractionMuscle DenervationSatellite Cells, Skeletal MuscleMyofibrilsNerve FibersHindlimbMuscular AtrophyOptic NerveRats, Sprague-DawleyMuscular DiseasesRats, WistarMuscle SpindlesGuinea PigsTime FactorsMotor NeuronsNerve RegenerationMyocytes, Smooth MuscleQuadriceps MuscleMuscle, StriatedSarcomeresMuscle CellsTracheaVasoconstrictionGlycogenActinsTibial NerveDiaphragmPhysical ExertionSarcoplasmic ReticulumMuscle WeaknessNeuromuscular JunctionMyosin Heavy ChainsMyoblastsOculomotor MusclesCells, CulturedNeck MusclesMyocardiumNerve EndingsAdenosine TriphosphateBiomechanical PhenomenaAcetylcholineMyosin Light ChainsDose-Response Relationship, DrugPotassium ChloridePapillary MusclesKineticsNerve BlockRNA, MessengerIsotonic ContractionInsulinPhosphorylationFemoral NerveRespiratory MusclesExerciseModels, BiologicalCatsSignal TransductionMedian NerveAbdominal MusclesDogsPeristalsisNerve CrushSural NerveGlucoseFacial NerveUlnar NerveCaffeinePsoas MusclesSarcolemmaMyoblasts, SkeletalRyanodine Receptor Calcium Release ChannelPeripheral Nerve InjuriesPhysical Conditioning, AnimalReflex