What is In Duchenne's muscular dystrophy, which muscle is not involved : and explain in detail?
Ans. is 'b' & 'd' Vastus medialis and infraspinatus (Ref. O.P. Ghai, 5/e, p 425; Harrison, 17/e p 2682, 2683 & 16/e, p 2528 (15/e, p 2530)).