<prompt> Which glycogen storage disease GSD does not affect muscles?Type IType IIType IIIType V  <response>: Type I GSD Von Gierke disease is a liver glycogenoses i.e. involves liver Type 2 Pompe disease, type V McArdles disease and type VII Tarui disease involves muscles Muscle Glycogenoses Type 3 GSD Coris disease is predominantly a liver glycogenoses but skeletal muscle involvement may also be seen. 