Muscle, SkeletalMuscle ContractionMuscle Fibers, SkeletalMusclesIsometric ContractionMuscle ProteinsMuscle, SmoothSarcomeresTroponin CTroponinCalciumMuscle FatigueMyosinsRabbitsTropomyosinElectric StimulationMuscle, Smooth, VascularMyofibrilsMuscle DevelopmentMyocardial ContractionMuscle Fibers, Fast-TwitchMuscle Fibers, Slow-TwitchRegional Blood FlowMuscle RelaxationMitochondria, MuscleGastrointestinal MotilityIleusDiaphragmMuscle DenervationMyocardiumPapillary MusclesRats, Sprague-DawleyTime FactorsSatellite Cells, Skeletal MuscleConnectinMyosin Light ChainsMyocytes, Smooth MusclePotassium ChlorideMuscular AtrophyRats, WistarTracheaMuscular DiseasesMyosin Heavy ChainsRana temporariaUterine ContractionGuinea PigsMuscle CellsCarbacholHindlimbVasoconstrictionDose-Response Relationship, DrugAcetylcholineElectromyographySarcoplasmic ReticulumUrinary BladderPsoas MusclesActinsRNA, MessengerMuscle SpindlesQuadriceps MusclePhosphorylationHeartMice, Inbred C57BLGlycogenMuscle, StriatedSignal TransductionCells, CulturedBiomechanical PhenomenaAnuraMyoblastsIleumMuscle WeaknessMice, KnockoutOculomotor MusclesProgram EvaluationPhenylephrineRana pipiensCalcium SignalingPhysical ExertionNeck MusclesKineticsrho-Associated KinasesPotassiumInsulinModels, BiologicalExerciseMyosin-Light-Chain PhosphataseSarcolemmaActin CytoskeletonMyoblasts, SkeletalAdenosine TriphosphateRespiratory MusclesEnzyme InhibitorsDisease Models, AnimalMuscular Dystrophy, AnimalColonGlucoseRyanodine Receptor Calcium Release ChannelAbdominal MusclesOxygen Consumption