Joe Muscolino

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The mentalis, a muscle of facial expression, on the right side of the body.

The Mentalis is a muscle of facial expression of the mouth. The muscles of facial expression of the mouth are:



  • Mandible to the fascia/skin of the chin.



  • Elevates the lower lip.
  • Everts the lower lip.
  • Wrinkles the skin of the chin.



  1. Eversion of the lower lip is to protrude and curl the lower lip outward.
  2. Contraction of the mentalis can contribute to the facial expressions of uncertainty/doubt and pouting.
  3. Mentalis is Latin for chin.