IN MPDS which muscle is most apt to exhibit tenderness________________?

Correct answer: D. Lateral pterygoid

A. Temporalis
B. Buccinator
C. Masseter
D. Lateral pterygoid

Explanation

In myofascial pain dysfunction syndrome, the lateral pterygoid is a frequently involved muscle and may show marked tenderness or spasm. The masseter and temporalis can also be tender, but the lateral pterygoid is the traditional answer in this formulation.

Submitted by a TestUstad contributor and published by the TestUstad editorial teamLast updated 18 September 2026

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