Depressor Facial Expression Muscles

Question 1

What are the 3 Depressor Facial Expression Muscles?

Answer 1

1. Depressor Anguli Oris Muscle
2. Depressor Labii Inferioris Muscle
3. Mentalis Muscle

Question 2

What is meant by “Depressor Muscles”?

Answer 2

Lower the Angle of the Mouth

Question 3

What is the origin for the Depressor Anguli Oris Muscle?

Answer 3

Lower border of the Mandible

Question 4

What is the insertion for the Depressor Anguli Oris Muscle?

Answer 4

Skin at the angle of the mouth

Question 5

What is the action of the Depressor Anguli Oris Muscle?

Answer 5

Depresses the angle of the mouth

“FROWNS”

Question 6

What is the origin for the Depressor labii Inferioris Muscle?

Answer 6

Lower border of the Mandible

Question 7

What is the insertion for the Depressor labii Inferioris Muscle?

Answer 7

Skin of the lower lip

Question 8

What is the action of the Depressor labii Inferioris Muscle?

Answer 8

Depresses the lower lip

Question 9

Where is the Depressor labii inferioris muscle located at?

Answer 9

Just medial of the Depressor Anguli Oris

Question 10

What is the origin for the Mentalis Muscle?

Answer 10

Near the midline of the Mandible

Question 11

Where is the insertion for the Mentalis Muscle?

Answer 11

skin of the chin

Question 12

What is the action of the Mentalis Muscle?

Answer 12

Elevates the skin of the chin, which will protrude the lower lip
“POUTING”