Muscle ContractionCreatineCreatine KinaseMusclesMuscle, SmoothMuscle, SkeletalIsometric ContractionMuscle ProteinsMuscle, Smooth, VascularMuscle Fibers, SkeletalMuscle FatigueCreatine Kinase, MM FormElectric StimulationMyocardial ContractionMuscle DevelopmentUterine ContractionMuscle RelaxationCalciumElectromyographyMuscle Fibers, Fast-TwitchPhosphocreatineRabbitsMuscle Fibers, Slow-TwitchCreatine Kinase, Mitochondrial FormMitochondria, MuscleMyocytes, Smooth MuscleMuscle SpindlesGuinea PigsTracheaMuscle DenervationMyofibrilsTime FactorsMuscle, StriatedVasoconstrictionMyosinsPapillary MusclesNeck MusclesAdenosine TriphosphateIsoenzymesMyocardiumMuscle WeaknessOculomotor MusclesPotassium ChlorideRats, Sprague-DawleyHindlimbPeristalsisRats, WistarBiomechanical PhenomenaMotor NeuronsMyosin Light ChainsCreatine Kinase, MB FormSarcomeresTropomyosinRespiratory MusclesMuscular DiseasesIsotonic ContractionQuadriceps MuscleActinsAbdominal MusclesAcetylcholineDose-Response Relationship, DrugAmidinotransferasesMuscle CellsTroponin CGuanidinoacetate N-MethyltransferaseFacial MusclesTorqueGastrointestinal MotilityTroponinPhysical ExertionDiaphragmDogsUrinary BladderCarbacholKineticsMasticatory Musclesrho-Associated KinasesMuscle TonusModels, BiologicalCells, CulturedNeuromuscular JunctionPsoas MusclesEnergy MetabolismVasoconstrictor AgentsCatsActomyosinPhenylephrineMagnetic Resonance SpectroscopyTroponin INorepinephrineIleumPhosphorylationReflexMuscular AtrophyMasseter MuscleCaffeineGlycogenHeartIntercostal MusclesMyosin-Light-Chain Kinase