Muscle ContractionMuscle, SkeletalActinsMusclesMuscle Fibers, SkeletalActin CytoskeletonIsometric ContractionMuscle ProteinsMyosinsTroponin CTroponinTropomyosinMuscle, SmoothMuscle FatigueRabbitsCalciumActin Depolymerizing FactorsElectric StimulationMuscle, Smooth, VascularMuscle DevelopmentCytoskeletonMicrofilament ProteinsRegional Blood FlowMuscle Fibers, Fast-TwitchGelsolinPhalloidineActin Capping ProteinsMuscle Fibers, Slow-TwitchMitochondria, MuscleMyofibrilsMuscle, StriatedMuscle DenervationMuscle RelaxationSarcomeresActomyosinMyocytes, Smooth MuscleElectromyographyActininCytochalasin DCells, CulturedSatellite Cells, Skeletal MuscleModels, BiologicalKineticsMuscle SpindlesDestrinChickensTime FactorsMuscular AtrophyMyosin Heavy ChainsMyocardial ContractionMyosin SubfragmentsAdenosine TriphosphateThiazolidinesActin-Related Protein 2-3 ComplexProtein BindingMuscular DiseasesMolecular Sequence DataMuscle CellsNeck MusclesTropomodulinQuadriceps MuscleOculomotor MusclesMuscle WeaknessHindlimbContractile ProteinsMicroscopy, FluorescenceIntermediate Filament ProteinsPapillary MusclesUterine ContractionBiomechanical PhenomenaPhosphorylationMicroscopy, ElectronAmino Acid SequenceCytoskeletal ProteinsCapZ Actin Capping ProteinRespiratory MusclesRats, Sprague-DawleyActin-Related Protein 2Rats, WistarPsoas MusclesPseudopodiaActin-Related Protein 3Abdominal MusclesProfilinsMyocardiumSignal TransductionBicyclo Compounds, HeterocyclicGlycogenMyoblastsTracheaPotassium ChlorideGuinea PigsRNA, MessengerCalmodulin-Binding ProteinsMyosin Light ChainsDesminFacial MusclesStress, MechanicalDiaphragmProtein Isoforms