In patients with osteoahritis of knee joint, atrophy occurs most commonly in which muscle :: (A) >Qudriceps only, (B) >Hamstrings only, (C) >Both (a) and (b), (D) >Gastrocnemius
Answer is A. Quadriceps only Met Maheshwari 3/e, p 253;Apley's 8/e, p 472] In osteoahritis of knee joint, the quadriceps muscle is usually wasted.