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The mentalisMentalis Elevator / Chin raiser On the front of your chin; raises and wrinkles the chin, protruding is a small muscle on your chin that helps you do the pouty face.
Photography, text, and labels by Rob Swatski, Assistant Professor of Biology, Harrisburg Area Community College – York Campus, York, PA.
Mentalis Origin
The mentalis muscle originates from the incisive fossa of the mandibleLower jawbone; only movable bone of the skull; U-shaped and largest facial bone.. This is a slight depression located on the anteriorThe front of the body or toward the front when standing in the anatomical position. (front) surface of the lower jawbone. It is just below the lower incisors (front teeth). This origin point is near the midline of the mandible, giving the muscle its central location on the chin.
Mentalis Insertion
From its origin, the fibers of the mentalis muscle travel downward and insert into the skinThe body’s largest organ, providing protection and regulation. of the chin. This insertion allows the mentalis to exert a pulling force on the skin. It enables the creation of various facial expressions and movements of the lower lip.
Mentalis Actions
Elevation and Protrusion of the Lower Lip
Wrinkling the Skin of the Chin
Aiding in Lip Closure and Speech
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Identify More Muscles
Link to more Muscle Identification
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List of terms
- mentalis
- anatomy
- mandible
- anterior
- skin