MyosinsMuscle ContractionMuscle, SkeletalActinsMuscle Fibers, SkeletalMusclesIsometric ContractionTroponin CTroponinMuscle ProteinsTropomyosinRabbitsMuscle FatigueCalciumMuscle, SmoothMyosin Heavy ChainsElectric StimulationActin CytoskeletonMyosin Light ChainsMyosin SubfragmentsRegional Blood FlowMyosin Type IIActin Depolymerizing FactorsMuscle, Smooth, VascularMuscle DevelopmentAdenosine TriphosphatasesSodium-Potassium-Exchanging ATPaseMuscle Fibers, Fast-TwitchMyosin Type VMuscle Fibers, Slow-TwitchH(+)-K(+)-Exchanging ATPaseActomyosinAdenosine TriphosphateMyofibrilsMitochondria, MuscleMuscle RelaxationKineticsMyocardial ContractionMyosin-Light-Chain KinaseUterine ContractionMyosin Type IMuscle DenervationPhosphorylationCalcium-Transporting ATPasesCytoskeletonNonmuscle Myosin Type IIAMolecular Sequence DataElectromyographyCardiac MyosinsSarcoplasmic ReticulumSarcomeresSatellite Cells, Skeletal MuscleNonmuscle Myosin Type IIBTime FactorsAmino Acid SequenceMuscular AtrophyChickensMyocardiumActin Capping ProteinsMuscular DiseasesCells, CulturedMuscle, StriatedHindlimbModels, BiologicalRats, Sprague-DawleyRats, WistarSmooth Muscle MyosinsProtein BindingPotassium ChlorideMyocytes, Smooth MuscleSkeletal Muscle MyosinsProton-Translocating ATPasesMuscle SpindlesGuinea PigsAdenosine DiphosphateMuscle CellsTracheaRNA, MessengerQuadriceps MuscleSignal TransductionBiomechanical PhenomenaGizzardVasoconstrictionrho-Associated KinasesPhalloidineProtein IsoformsMyosin-Light-Chain PhosphataseGlycogenDose-Response Relationship, DrugMicroscopy, ElectronMyoblastsPsoas MusclesDiaphragmPhysical ExertionMuscle WeaknessPapillary MusclesCa(2+) Mg(2+)-ATPaseEnzyme InhibitorsDogsOculomotor Muscles