Muscle ContractionMuscle, SkeletalMuscle Fibers, SkeletalIsometric ContractionMusclesTroponin CTroponinElectric StimulationMuscle ProteinsMyosinsTropomyosinMuscle FatigueRabbitsCalciumMuscle, SmoothRegional Blood FlowMuscle, Smooth, VascularActinsMuscle DevelopmentActin CytoskeletonMuscle Fibers, Fast-TwitchMuscle Fibers, Slow-TwitchMitochondria, MuscleMyofibrilsMuscle RelaxationMyocardial ContractionElectromyographyTime FactorsUterine ContractionSarcomeresMuscle DenervationCells, CulturedIntermediate Filament ProteinsRats, Sprague-DawleySatellite Cells, Skeletal MuscleHindlimbCytoskeletonKineticsRats, WistarMuscular AtrophyMuscle, StriatedMuscular DiseasesPhosphorylationGuinea PigsAdenosine TriphosphateElectric Stimulation TherapyModels, BiologicalSignal TransductionMuscle SpindlesMicrofilament ProteinsMyocardiumMolecular Sequence DataDose-Response Relationship, DrugTracheaMyocytes, Smooth MuscleRNA, MessengerMuscle CellsMyosin Heavy ChainsMotor NeuronsActomyosinQuadriceps MuscleBiomechanical PhenomenaGlycogenVasoconstrictionStimulation, ChemicalPhysical StimulationPotassium ChlorideSarcoplasmic ReticulumMyosin Light ChainsDiaphragmCatsInsulinMyosin SubfragmentsPhysical ExertionAmino Acid SequenceAcetylcholineMuscle WeaknessMyoblastsDogsChickensPapillary MusclesMice, Inbred C57BLDesminGlucoseNeuromuscular JunctionNeck MusclesIsotonic ContractionVimentinPsoas MusclesOculomotor MusclesCell LineProtein BindingRespiratory MusclesMembrane PotentialsExerciseAction PotentialsGene Expression RegulationEnzyme InhibitorsCarbacholStress, Mechanical