Muscle:Zygomaticus Major: Revision history

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7 May 2026

  • curprev 22:0222:02, 7 May 2026 Yatreyu talk contribs 11,293 bytes +11,293 Created page with "'''Zygomaticus major''' is a slender, superficial muscle of the mid-face that draws the angle of the mouth upward and laterally in smiling and laughing. Its trigger points (TrPs) refer pain in a distinctive arc from the cheek up along the side of the nose to the mid-forehead, and are among the most common unrecognised sources of apparent facial pain and headache. TrP tightness can measurably restrict jaw opening, and buccinator TrPs misdiagnosed as temporomandibular join..."
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