What does the depressor Anguli Oris muscle do?

Function. The depressor anguli oris muscle is a muscle of facial expression. It depresses the corner of the mouth, which is associated with frowning.

What is the action of the depressor anguli oris muscle?

Function. Depressor anguli oris pulls the angle of the mouth inferolaterally. Its action plays an important part in facial expression, as it helps expressing feelings of sadness or anger.

What does the levator anguli oris muscle do?

Like all the buccolabial muscles, levator anguli oris’ function contributes to producing facial expressions by controlling the shape, position and movements of the lips. Specifically, it does so by elevating the angle of the mouth and deepening the nasolabial lines, facilitating smiling.

What is the depressor labii inferioris muscle?

The depressor labii inferioris is a facial muscle that allows you to pull your lower lip down or to the side. While this muscle has very limited movement on its own, it plays an important role in the complex structure of facial muscles that allow us to make such detailed and precise facial expressions.

How does the orbicularis oris muscle work?

Located in the face, the orbicularis oris muscle controls movements of the mouth and lips. Specifically, it encircles the mouth, originating in the maxilla (upper jaw and palate) and mandible (lower jaw) bones. The muscle inserts directly into the lips.

What is the origin of the depressor anguli oris muscle?

The depressor anguli oris muscle is a small, triangular-shaped muscle located in the lower jaw area of the face, towards the front of the lower jaw. Specifically, this muscle originates from the oblique line of the mandible, which is a diagonal line that runs up the side of the mandible (lower jaw).

How do you relax depressor Anguli Oris?

With the muscle relaxed initially and with permission, gently place one or two fingers inferior to the angles of the patient/client’s lower lip and ask the person to look sad, pout or cry. Ask the person to relax and repeat these motions if necessary.

What does the name levator anguli oris tell us?

The levator anguli oris plays a key role in nonverbal communication, as it helps the face form one of the most universally known expressions: the smile.