Muscle ContractionMuscle, SkeletalIsometric ContractionMuscle Fibers, SkeletalMuscle FatigueElectric StimulationMusclesMuscle ProteinsTorqueTarsus, AnimalTroponin CTroponinMuscle, SmoothUterine ContractionMyosinsMyocardial ContractionCalciumTropomyosinRegional Blood FlowRabbitsMuscle StrengthPhysical ExertionBiomechanical PhenomenaMuscular Dystrophy, AnimalMice, Inbred mdxElectromyographyQuadriceps MuscleMuscular Dystrophy, DuchenneGastrointestinal MotilityLymphatic VesselsDesminLymphatic SystemRats, Sprague-DawleyHindlimbMuscle, Smooth, VascularExcitation Contraction CouplingOxygen ConsumptionExerciseIminesVerapamilTime FactorsStress, MechanicalMuscle DevelopmentDystrophinMyocardiumMuscle Fibers, Fast-TwitchLegRats, WistarMuscle Fibers, Slow-TwitchMuscle RelaxationNG-Nitroarginine Methyl EsterMitochondria, MuscleIsotonic ContractionMice, Inbred ICRCells, CulturedMuscular DiseasesMyofibrilsMice, Inbred C57BLGuinea PigsVasoconstrictionMuscle DenervationOxygenSatellite Cells, Skeletal MuscleTracheaMuscle SpindlesSarcomeresMuscular AtrophyPotassium ChlorideDose-Response Relationship, DrugMotor NeuronsAcetylcholineMyocytes, Smooth MuscleActinsPeristalsisMyosin Light ChainsGlycogenSarcoplasmic ReticulumMuscle CellsCaffeineAdenosine TriphosphatePhysical Conditioning, AnimalPapillary MusclesMyosin Heavy ChainsMuscle, StriatedCreatine KinaseDiaphragmModels, BiologicalKineticsUrinary BladderDogsPhysical EnduranceOculomotor MusclesCatsMuscle TonusVasoconstrictor AgentsPhosphorylationNeuromuscular JunctionNorepinephrineMuscle WeaknessSignal Transduction