Objective:To summary the clinical and skeletal muscle biopsy pathological features of muscle glycogen storage disease. Methods: The clinical and pathological data of the 16 cases of muscle glycogen storage disease(MGSD) were retrospectively analyzed. Results: The clinical manifestations include muscle weakness,exercise intolerance, myalgia, and muscle tonus reducing which may be accompanied by multitude systems involvement. Serum creatine kinase was increased at varying degrees. Electromyography showed norm...