Feb 13, 2024 · The functions of the frontalis include: pulling the scalp anteriorly, wrinkling of the forehead and elevation of the eyebrows. It is innervated by the temporal branches of the facial nerve …

In the eyebrows, its primary function is to lift them (thus opposing the orbital portion of the orbicularis), especially when looking up. It also acts when a view is too distant or dim. [5]

Mar 22, 2024 · The Frontalis muscle is a thin, quadrilateral muscle that lies on the forehead. It is part of the epicranius, working in conjunction with the occipitalis muscle at the back of the skull. The frontalis …

The primary function of the frontalis muscle is to raise the eyebrows and wrinkle the forehead. It also plays a role in expressing emotions such as surprise or concern.

Jul 25, 2023 · The frontalis muscle plays a significant role in our day-to-day social interactions. As the only muscle that raises the eyebrows, its function goes beyond simply keeping the brows out of one’s …

Aug 17, 2025 · The primary action of the frontalis muscle is elevating the eyebrows. When it contracts, its vertically oriented fibers pull the skin of the forehead and eyebrows upward.

May 21, 2025 · The frontalis muscle is a muscle of facial expression, located at the scalp. It is thin and quadrilateral in form, and its primary function is to lift the eyebrows, particularly when looking up, and …

Besides raising the eyebrows, contractions of the frontalis muscle are also responsible for the formation of transverse lines on the forehead, producing the facial expression of astonishment.

Learn about the frontalis muscle. Understand the functions and actions of the frontalis muscle. Discover the origin and insertion points of the frontalis muscle.

Discover the occipitofrontalis muscle's origin, action, innervation, and arterial supply. Learn how it affects facial expressions.