Muscle ContractionMuscle, SkeletalMuscle Fibers, SkeletalIsometric ContractionMusclesTroponin CTroponinMuscle ProteinsMyosinsMuscle FatigueCalciumTropomyosinRabbitsCell MembraneElectric StimulationMuscle, SmoothRegional Blood FlowMuscle, Smooth, VascularMembrane PotentialsMuscle DevelopmentMembranesMembrane LipidsMuscle Fibers, Fast-TwitchIntracellular MembranesMuscle Fibers, Slow-TwitchMitochondria, MuscleCell Membrane PermeabilityMuscle RelaxationErythrocyte MembraneMyocardial ContractionMembranes, ArtificialUterine ContractionTime FactorsMuscle DenervationElectromyographyMyofibrilsSatellite Cells, Skeletal MuscleCells, CulturedModels, BiologicalMembrane FluidityRats, Sprague-DawleyActinsMuscular AtrophyGuinea PigsHindlimbRats, WistarKineticsAdenosine TriphosphateMuscular DiseasesMolecular Sequence DataMicroscopy, ElectronSignal TransductionPotassiumMyocytes, Smooth MuscleMuscle SpindlesMuscle CellsCell LineDose-Response Relationship, DrugSarcoplasmic ReticulumAmino Acid SequenceTracheaSarcomeresMuscle, StriatedRNA, MessengerQuadriceps MuscleMyocardiumGlycogenVasoconstrictionPotassium ChlorideDogsBasement MembranePhysical ExertionMyoblastsBiomechanical PhenomenaProtein BindingGlucoseInsulinMyosin Heavy ChainsMuscle WeaknessMotor NeuronsAcetylcholineDiaphragmPapillary MusclesMyosin Light ChainsSarcolemmaPhosphorylationNeuromuscular JunctionOculomotor MusclesNeck MusclesHydrogen-Ion ConcentrationCarrier ProteinsBlotting, WesternIsotonic ContractionMice, Inbred C57BLOxygen ConsumptionCaffeineExerciseRespiratory MusclesElectrophysiologyAnura