Muscle ContractionMuscle, SkeletalMuscle Fibers, SkeletalIsometric ContractionMusclesTroponin CTroponinMuscle ProteinsMyosinsMuscle FatigueTropomyosinCalciumRabbitsElectric StimulationMuscle, SmoothRegional Blood FlowMuscle, Smooth, VascularMuscle DevelopmentMembranesMembrane PotentialsCell MembraneMuscle Fibers, Fast-TwitchMembrane LipidsIntracellular MembranesMuscle Fibers, Slow-TwitchMitochondria, MuscleMuscle RelaxationMyocardial ContractionUterine ContractionMembranes, ArtificialMuscle DenervationElectromyographyMyofibrilsSatellite Cells, Skeletal MuscleTime FactorsMuscular AtrophyHindlimbRats, Sprague-DawleyCells, CulturedMuscular DiseasesModels, BiologicalRats, WistarGuinea PigsActinsAdenosine TriphosphateErythrocyte MembraneCell Membrane PermeabilityMembrane FluidityMuscle SpindlesMyocytes, Smooth MuscleMuscle CellsKineticsSarcomeresMuscle, StriatedSarcoplasmic ReticulumQuadriceps MuscleTracheaSignal TransductionGlycogenMolecular Sequence DataVasoconstrictionMyocardiumDose-Response Relationship, DrugRNA, MessengerMicroscopy, ElectronPotassium ChloridePhysical ExertionPotassiumMyosin Heavy ChainsBasement MembraneMyoblastsMuscle WeaknessBiomechanical PhenomenaMotor NeuronsDogsInsulinDiaphragmMyosin Light ChainsGlucosePapillary MusclesAmino Acid SequenceAcetylcholineSarcolemmaOculomotor MusclesNeck MusclesNeuromuscular JunctionCell LineIsotonic ContractionExerciseCaffeinePhosphorylationRespiratory MusclesOxygen ConsumptionProtein BindingMice, Inbred C57BLAbdominal MusclesRyanodine Receptor Calcium Release ChannelPeristalsisMyoblasts, SkeletalBlotting, Western