Muscle, SkeletalMusclesBiopsyMuscle Fibers, SkeletalMuscle ProteinsMuscle, SmoothMuscle ContractionMuscle DevelopmentMuscle, Smooth, VascularMitochondria, MuscleMuscle Fibers, Fast-TwitchMuscular DiseasesMuscle Fibers, Slow-TwitchMuscle FatigueMuscle DenervationMuscular AtrophyQuadriceps MuscleBiopsy, NeedleSatellite Cells, Skeletal MuscleMuscle WeaknessMyositisMyocytes, Smooth MuscleGlycogenMuscle CellsOculomotor MusclesMuscular DystrophiesMuscle, StriatedNeck MusclesMuscle RelaxationMyofibrilsExerciseMuscle SpindlesMyosin Heavy ChainsIsometric ContractionRespiratory MusclesNeuromuscular DiseasesElectromyographyPapillary MusclesPolymyositisRabbitsCreatine KinaseRNA, MessengerPhysical EnduranceMyoblastsAbdominal MusclesMyositis, Inclusion BodyIntercostal MusclesInsulinTime FactorsMyoblasts, SkeletalHindlimbDermatomyositisMasseter MusclePhysical ExertionMyostatinCalciumMuscular Dystrophies, Limb-GirdleMasticatory MusclesFacial MusclesOxygen ConsumptionCells, CulturedDystrophinCitrate (si)-SynthaseMuscular Dystrophy, DuchenneRegenerationLegGlucosePhosphocreatineElectric StimulationPectoralis MusclesMyoD ProteinMalignant HyperthermiaPsoas MusclesGene Expression RegulationMuscle CrampMuscular Dystrophy, AnimalHypertrophyNADH Tetrazolium ReductaseLactic AcidImmunohistochemistrySarcolemmaDiaphragmMice, Inbred mdxSarcoplasmic ReticulumEnergy MetabolismMyocardiumRats, Sprague-DawleyRats, WistarInsulin ResistanceSignal TransductionGlucose Transporter Type 4KineticsThighAgingNeuromuscular JunctionMolecular Sequence DataSarcomeresActinsPhosphorylationSarcoglycans