Sarcoplasmic ReticulumCalsequestrinMuscle ContractionMuscle, SkeletalMuscle ProteinsCalciumRyanodine Receptor Calcium Release ChannelMusclesRyanodineRabbitsCalcium-Transporting ATPasesMuscle Fibers, SkeletalMyocardiumSarcolemmaCalcium ChannelsSarcoplasmic Reticulum Calcium-Transporting ATPasesCalcium-Binding ProteinsIsometric ContractionCalcium SignalingDogsMyocytes, CardiacTroponin CTroponinMixed Function OxygenasesCaffeineEndoplasmic ReticulumMuscle FatigueMicroscopy, ElectronMyosinsCarrier ProteinsElectric StimulationMuscle, SmoothTropomyosinMyocardial ContractionMolecular WeightAdenosine TriphosphateKineticsCa(2+) Mg(2+)-ATPaseMuscle Fibers, Fast-TwitchMyofibrilsRegional Blood FlowMuscle, Smooth, VascularRuthenium RedMuscle DevelopmentMitochondria, MuscleExcitation Contraction CouplingAdenosine TriphosphatasesMuscle Fibers, Slow-TwitchMagnesiumSodium-Calcium ExchangerCalcium Channels, L-TypeEgtazic AcidHeartThapsigarginHeart VentriclesPhosphorylationDantroleneTetracaineTime FactorsMembrane PotentialsMuscle RelaxationMicrosomesProcainePapillary MusclesGuinea PigsMuscle CellsMalignant HyperthermiaBiological Transport, ActiveRats, WistarRats, Sprague-DawleyOxalatesCells, CulturedPotassium ChloridePotassiumMuscle DenervationUterine ContractionMuscular DiseasesIntracellular MembranesModels, BiologicalAction PotentialsSarcomeresMolecular Sequence DataRana pipiensDose-Response Relationship, DrugHydrogen-Ion ConcentrationIndolesAmino Acid SequenceCalcium Channel BlockersMuscle, StriatedAdenosine DiphosphateBiological TransportMyocytes, Smooth MuscleAnuraBinding SitesFluorescent DyesMuscular AtrophyElectromyographyHindlimbEnzyme InhibitorsSatellite Cells, Skeletal Muscle