AIIMS November 2011 – MCQ 68

Which of the following muscles undergoes wasting first in osteoarthritis knee?
A. Hamstrings only
B. Quadriceps only
C. Both hamstrings and quadriceps
D. Gastrocnemius

(Repeat question – AIPGMEE 07 – MK q262)

Correct answer : B. Quadriceps only

All muscles around the knee can undergo wasting in advanced osteoarthritis. But quadriceps is the first muscle to be affected.