In patients with osteoarthritis of knee joint, atrophy occurs most commonly in which muscle
|C||Both A and B|
Due to decreased loading of painful extremity quadriceps weakness is common in patients of osteoarthritis.
a. Vastus medialis is the commonest and earliest involved because it is phylogenetically last to develop
b. 5th head of quadriceps.- ARTICULARIS GENU
c. arises from the surface of femur and inserts into synovial membrane supplied by femoral nerve