Muscle ContractionMyosinsMuscle, SkeletalActinsActin CytoskeletonMusclesMuscle Fibers, SkeletalIsometric ContractionMuscle ProteinsMuscle, SmoothRabbitsTropomyosinActin Depolymerizing FactorsTroponinTroponin CCytoskeletonCalciumMuscle FatigueMyosin SubfragmentsElectric StimulationMyosin Heavy ChainsMyofibrilsActomyosinSarcomeresMuscle, Smooth, VascularMicrofilament ProteinsMyosin Type IIMyosin Light ChainsPhalloidineActin Capping ProteinsMuscle DevelopmentConnectinGelsolinChickensMuscle RelaxationGizzardMicroscopy, ElectronMuscle Fibers, Fast-TwitchRegional Blood FlowAdenosine TriphosphateModels, BiologicalMyocardial ContractionMuscle Fibers, Slow-TwitchMyosin-Light-Chain KinaseProtein BindingKineticsMuscle, StriatedUterine ContractionMyosin Type VIntermediate Filament ProteinsPhosphorylationPotassium ChlorideBiomechanical PhenomenaMitochondria, MuscleElectromyographyMicroscopy, FluorescenceMolecular Sequence DataTime FactorsCytochalasin DCardiac MyosinsActininCells, CulturedAmino Acid SequenceThiazolidinesCa(2+) Mg(2+)-ATPaseMuscle DenervationActin-Related Protein 2-3 ComplexAdenosine TriphosphatasesMyocardiumElasticityMyocytes, Smooth MuscleTropomodulinContractile ProteinsCytoskeletal ProteinsDestrinTracheaMuscle SpindlesGuinea PigsMolecular Motor ProteinsCalmodulin-Binding ProteinsPseudopodiaRats, Sprague-DawleyActin-Related Protein 2HindlimbVimentinrho-Associated KinasesMyosin Type IRats, WistarTurkeysAdenosine DiphosphateCarrier ProteinsVasoconstrictionPsoas MusclesBicyclo Compounds, HeterocyclicMuscular DiseasesSignal TransductionActin-Related Protein 3DesminProtein IsoformsNonmuscle Myosin Type IIA