Muscle RelaxationKineticsMusclesMuscle, SmoothMuscle ContractionMuscle, SkeletalMuscle, Smooth, VascularRelaxation TherapyMuscle ProteinsMuscle Fibers, SkeletalMuscle FatigueVasodilationNitric OxideElectromyographyTracheaMuscle DevelopmentElectric StimulationAcetylcholineCyclic GMPCalciumRabbitsDeuteroporphyrinsTime FactorsMuscle Fibers, Fast-TwitchDose-Response Relationship, DrugNitroprussideVasodilator AgentsMuscle TonusHSP20 Heat-Shock ProteinsNeuromuscular BlockadeMuscle Fibers, Slow-TwitchBiomechanical PhenomenaPapillary MusclesEndothelium, VascularMuscle DenervationGuinea PigsNeuromuscular Nondepolarizing AgentsIsometric ContractionPenisTorqueRelaxationRats, Sprague-DawleyAorta, ThoracicMyocytes, Smooth MuscleNitroarginineIsoproterenolMyocardial ContractionRats, WistarMitochondria, MuscleNeck MusclesMuscle SpindlesBiological FactorsOxadiazolesQuadriceps MuscleOpossumsNitric Oxide DonorsIsotonic ContractionMuscle WeaknessVasoconstrictionDogsCyclic GMP-Dependent Protein KinasesGuanylate CyclaseProgrammed InstructionNitric Oxide SynthaseMuscle, StriatedEnzyme InhibitorsOculomotor MusclesPhenylephrineSarcomeresPsoas MusclesAnal CanalNG-Nitroarginine Methyl EsterMembrane PotentialsVasoactive Intestinal PeptideBromcresol GreenAndrostanolsNeuromuscular Junctiongamma-CyclodextrinsPenile ErectionRespiratory MusclesAdenosine TriphosphateMuscle Relaxants, CentralNitroglycerinNorepinephrineAbdominal MusclesModels, BiologicalMuscle CellsAtracuriumArginineAdrenergic beta-AgonistsMasseter MuscleRNA, MessengerRana temporariaMyotonia CongenitaMuscular AtrophyVasoconstrictor AgentsPhysical ExertionMasticatory MusclesMyosin-Light-Chain PhosphataseCats