MyosinsMuscle ContractionMuscle, SkeletalMyosin Type IIMyosin Heavy ChainsMyosin Type VMusclesMuscle Fibers, SkeletalIsometric ContractionMuscle ProteinsTroponin CTroponinRabbitsMuscle, SmoothTropomyosinMyosin SubfragmentsActinsMuscle FatigueCalciumActin CytoskeletonElectric StimulationMyofibrilsSarcomeresMyosin Light ChainsConnectinActomyosinRegional Blood FlowGizzardMuscle, Smooth, VascularMuscle DevelopmentCytoskeletonCardiac MyosinsMyosin-Light-Chain KinaseChickensMuscle Fibers, Fast-TwitchMicroscopy, ElectronMuscle RelaxationMuscle Fibers, Slow-TwitchAdenosine TriphosphateMitochondria, MuscleModels, BiologicalCa(2+) Mg(2+)-ATPasePotassium ChloridePhosphorylationBiomechanical PhenomenaKineticsMyocardial ContractionAdenosine TriphosphatasesTurkeysUterine ContractionMyocardiumTime FactorsMolluscaMuscle DenervationIntermediate Filament ProteinsNonmuscle Myosin Type IIAProtein BindingElectromyographyMuscle, StriatedMolecular Sequence DataNonmuscle Myosin Type IIBSatellite Cells, Skeletal MuscleMyosin Type IRana temporariaElasticityMuscular AtrophyMuscular DiseasesAmino Acid SequenceMicrofilament ProteinsHindlimbSmooth Muscle MyosinsOsmolar ConcentrationCells, CulturedAdenosine DiphosphateRats, Sprague-DawleyRats, WistarMuscle SpindlesSkeletal Muscle MyosinsMyocytes, Smooth MuscleProtein KinasesTracheaGuinea PigsMicroscopy, FluorescenceMuscle CellsPsoas MusclesQuadriceps MuscleDictyosteliumVasoconstrictionProtein ConformationBiophysical PhenomenaMyosin-Light-Chain PhosphataseGlycogenX-Ray DiffractionProtein IsoformsElectrophoresis, Polyacrylamide GelBiophysicsDesminSarcoplasmic ReticulumMyoblastsMuscle Weakness