Facial Muscles Anatomy Quiz

What is the action of the Zygomaticus Major muscle?

Which muscle is responsible for raising the skin of the chin?

What is the primary function of the Orbicularis Oris muscle?

Which muscle action involves the movement of the lower jaw sideways?

What action is performed by the Depressor Labii Inferioris muscle?

What action does the frontalis muscle perform?

Which muscle is engaged when pressing the cheeks firmly against the side teeth?

Which muscle raises and protrudes the upper lip?

Which muscle pulls the skin of the nose upward, creating transverse wrinkles?

What action does the Depressor anguli Oris muscle perform?

What is the action of the corrugator supercilii muscle?

Which muscle's action is to widen the apertures of the nostrils?

The levator palpebrae superioris muscle is primarily responsible for which action?

What is the function of the nasalis muscle's transverse portion?

Which eye muscle is responsible for closing the eyelid firmly?

To look horizontally toward the left, which muscles are involved?

Facial Muscles

Frontalis: Raises eyebrows, wrinkles forehead. Example: surprise, fright.
Corrugator supercilii: Draws eyebrows together. Example: frowning.
Procerus: Pulls skin of nose upward, forming transverse wrinkles. Example: anger.
Nasalis (alar portion): Widens nostrils. Example: forced breathing.
Nasalis (transverse portion): Draws point of nose downward, narrows nostrils.
Orbicularis oculi (orbital part): Closes eyelids firmly.
Orbicularis oculi (palpebral part): Closes eyelids gently.
Levator palpebrae superioris: Raises upper eyelid.
Rectus medialis oculi and rectus lateralis oculi Moves eyes horizontally, either leftward or rightward .
Risorius: Draws angle of mouth backward.
Zygomaticus major: Draws angle of mouth upward and outward. Example: smiling.
Levator labii superioris: Raises and protrudes upper lip. Example: showing upper gum.
Depressor labii inferioris and platysma: Draws lower lip and angle of mouth downward and outward.
Mentalis: Raises chin skin, protrudes lower lip. Example: pouting.
Orbicularis oris: Closes and protrudes lips. Example: whistling.
Depressor anguli oris: Draws down angle of mouth.
Buccinator: Presses cheeks against side teeth, pulls back angle of mouth. Example: blowing a trumpet.
Pterygoideus lateralis: Opens mouth, protrudes lower jaw, moves side to side.
Pterygoideus medialis, temporalis, and Masseter: Closes jaws, clenches teeth.

Test your knowledge of the facial muscles and their functions with this quiz. From raising eyebrows to controlling lip movement, each muscle plays a crucial role in expression. See how well you understand the anatomy behind these essential muscles.