Muscle ContractionMuscle, SkeletalMusclesMuscle Fibers, SkeletalMuscle ProteinsIsometric ContractionMuscle, SmoothTroponin CTroponinMuscle FatigueCalciumMyosinsRabbitsElectric StimulationTropomyosinMuscle, Smooth, VascularMuscle DevelopmentMembrane PotentialsMembranesRegional Blood FlowMuscle Fibers, Fast-TwitchCell MembraneMuscle DenervationMuscle Fibers, Slow-TwitchMitochondria, MuscleNeuromuscular JunctionMuscle RelaxationSarcolemmaMembrane LipidsReceptors, CholinergicGuinea PigsIntracellular MembranesElectromyographyMyocytes, Smooth MuscleTime FactorsSatellite Cells, Skeletal MuscleMuscle SpindlesMyofibrilsDiaphragmMuscle, StriatedMuscular AtrophyAcetylcholinePotassiumDystrophinCells, CulturedRats, Sprague-DawleyMyocardial ContractionRats, WistarMuscle CellsNeck MusclesOculomotor MusclesQuadriceps MuscleMuscular DiseasesHindlimbCell Membrane PermeabilityMuscle WeaknessAnuraUterine ContractionModels, BiologicalPapillary MusclesKineticsRespiratory MusclesMuscular Dystrophy, AnimalMuscular DystrophiesMembranes, ArtificialAdenosine TriphosphateActinsMotor NeuronsRana temporariaAbdominal MusclesElectrophysiologyMice, Inbred mdxMyocardiumDose-Response Relationship, DrugMicroscopy, ElectronGlycogenMolecular Sequence DataSarcomeresDogsMyosin Heavy ChainsRNA, MessengerFacial MusclesSarcoplasmic ReticulumSignal TransductionBiomechanical PhenomenaTracheaMotor EndplateMyoblastsAction PotentialsIon ChannelsPhysical ExertionMasticatory MusclesMasseter MuscleSarcoglycansPsoas MusclesSynaptic MembranesErythrocyte MembraneVasoconstrictionInsulinMembrane Fluidity