Weight PerceptionMuscle RelaxationMusclesThumbMuscle, SmoothMuscle ContractionMuscle, Smooth, VascularMuscle, SkeletalMuscle ProteinsFingersMuscle Fibers, SkeletalRelaxation TherapyMuscle DevelopmentTobacco Use DisorderFinger JointMuscle FatigueLymphedemaMuscle Fibers, Fast-TwitchMuscle DenervationMuscle Fibers, Slow-TwitchMyocytes, Smooth MuscleMitochondria, MuscleNitric OxideVasodilationTracheaMotor NeuronsNeck MusclesOculomotor MusclesIsometric ContractionMuscle, StriatedPapillary MusclesMuscle SpindlesElectromyographyElectric StimulationRespiratory MusclesSmoking CessationCyclic GMPMuscle WeaknessAcetylcholineRabbitsDeuteroporphyrinsCalciumAbdominal MusclesMuscle CellsQuadriceps MuscleHSP20 Heat-Shock ProteinsNeuromuscular BlockadeNitroprussideMasseter MuscleNeuromuscular Nondepolarizing AgentsGuinea PigsVasodilator AgentsFacial MusclesSmokingMasticatory MusclesPenisDose-Response Relationship, DrugIntercostal MusclesRelaxationTime FactorsEndothelium, VascularMuscular AtrophyRats, Sprague-DawleyMuscle TonusSatellite Cells, Skeletal MuscleNeuromuscular JunctionAorta, ThoracicRats, WistarAortaOpossumsBiomechanical PhenomenaPectoralis MusclesIsoproterenolMuscle Relaxants, CentralNitroarginineCyclic GMP-Dependent Protein KinasesNitric Oxide DonorsMuscular DiseasesOxadiazolesBiological FactorsMyofibrilsAnal CanalGuanylate CyclasePsoas MusclesNitric Oxide SynthaseVasoactive Intestinal PeptideAndrostanolsDogsEnzyme InhibitorsPenile ErectionMembrane PotentialsHindlimbgamma-CyclodextrinsBromcresol GreenCells, CulturedTemporal MuscleNG-Nitroarginine Methyl EsterMyocardial ContractionRNA, MessengerAtracurium