SarcolemmaMuscle, SkeletalMusclesMuscle Fibers, SkeletalMuscle ProteinsMuscle ContractionMuscle DevelopmentMuscle, SmoothMyocytes, CardiacDystrophinMuscle Fibers, Fast-TwitchMyocardiumMitochondria, MuscleMuscle Fibers, Slow-TwitchMuscle, Smooth, VascularMuscular Dystrophy, AnimalMuscle DenervationHeartSatellite Cells, Skeletal MuscleMuscle FatigueMice, Inbred mdxCalciumRabbitsMuscular DiseasesMyofibrilsCardiac OutputMuscular AtrophyTime FactorsMuscular DystrophiesUtrophinMuscle CellsSarcoplasmic ReticulumDystrophin-Associated ProteinsMyoblastsCells, CulturedCaveolin 3Rats, Sprague-DawleyPapillary MusclesMyosin Heavy ChainsArrhythmias, CardiacRats, WistarDystroglycansMuscular Dystrophy, DuchenneRNA, MessengerQuadriceps MuscleCardiac Surgical ProceduresSarcomeresIsometric ContractionGlycogenSarcoglycansInsulinMyocardial ContractionMuscle, StriatedMyocytes, Smooth MuscleMuscle WeaknessHindlimbMice, Inbred C57BLGlucose Transporter Type 4Muscle RelaxationDeath, Sudden, CardiacMyoblasts, SkeletalDogsKineticsOculomotor MusclesHeart VentriclesRyanodine Receptor Calcium Release ChannelCreatine KinaseNeck MusclesElectric StimulationGlucoseMuscle SpindlesRegenerationRespiratory MusclesMyoD ProteinOxygen ConsumptionDiaphragmSignal TransductionMyostatinGene Expression RegulationMolecular Sequence DataSodium-Potassium-Exchanging ATPaseMice, TransgenicCardiomegalyAdenosine TriphosphatePhysical ExertionDesminNeuromuscular JunctionActinsMicroscopy, ElectronExerciseMice, KnockoutMembrane PotentialsPhysical Conditioning, AnimalTroponinAbdominal MusclesPhosphorylationImmunohistochemistryModels, BiologicalCaffeineMasseter Muscle