Muscle ContractionMuscle, SkeletalMuscle Fibers, SkeletalIsometric ContractionMusclesTroponin CTroponinMuscle ProteinsMyosinsMuscle FatigueCalciumTropomyosinRabbitsElectric StimulationMuscle, SmoothRegional Blood FlowMuscle, Smooth, VascularMuscle DevelopmentCell MembraneMembrane PotentialsMembranesMuscle Fibers, Fast-TwitchIntracellular MembranesMembrane LipidsMuscle Fibers, Slow-TwitchMitochondria, MuscleMyocardial ContractionMuscle RelaxationCells, CulturedTime FactorsUterine ContractionMembranes, ArtificialModels, BiologicalMuscle DenervationRats, Sprague-DawleyElectromyographyMyofibrilsSatellite Cells, Skeletal MuscleRats, WistarSignal TransductionMuscular AtrophyActinsHindlimbAdenosine TriphosphateGuinea PigsMuscular DiseasesCell Membrane PermeabilityRNA, MessengerKineticsMolecular Sequence DataMyocytes, Smooth MuscleMyocardiumDose-Response Relationship, DrugErythrocyte MembraneMembrane FluidityMuscle SpindlesMuscle CellsSarcomeresMicroscopy, ElectronMuscle, StriatedSarcoplasmic ReticulumQuadriceps MuscleCell LineTracheaMice, Inbred C57BLGlycogenAmino Acid SequenceVasoconstrictionGlucoseDogsBasement MembranePotassiumBiomechanical PhenomenaInsulinPotassium ChloridePhysical ExertionGene Expression RegulationMyosin Heavy ChainsPhosphorylationMyoblastsProtein BindingMuscle WeaknessMotor NeuronsBlotting, WesternDiaphragmMyosin Light ChainsPapillary MusclesMice, KnockoutAcetylcholineSarcolemmaCalcium SignalingOculomotor MusclesNeck MusclesNeuromuscular JunctionOxygen ConsumptionEnzyme InhibitorsExerciseHydrogen-Ion ConcentrationIsotonic ContractionCarrier Proteins