Orthopaedics – MCQ 9 – Muscle atrophy in osteoarthritis of knee joint

In patients with osteoarthritis of knee joint, atrophy occurs most commonly in which muscle :
a) Quadriceps only
b) Hamstrings only
c) Both (a) and (b)
d) Gastrocnemius

Correct answer : a) Quadriceps only

Quadriceps is the most commonly affected muscle is osteoarthritis of knee.

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