Facial Muscles

Front

What muscle helps you to smile?

Back

Zygomaticus major

Front

Which muscles around your eye help you bat your eyes and close the eyelids?

Back

Orbicularis oculi

Front

What muscle acts as a synergist with the masseter when you chew your food?

Back

Temporalis

Front

What is the insertion of the sternocleidomastoid?

Back

Mastoid process

Front

Which muscle is named for the chewing action it produces?

Back

Masseter

Front

What is the primary function of the buccinator muscle?

Back

It helps in chewing by keeping food between the teeth.

Front

What is the role of the orbicularis oris muscle?

Back

It controls movements of the mouth and lips.

Front

What is the function of the frontalis muscle?

Back

It raises the eyebrows and wrinkles the forehead.

Front

What is the action of the corrugator muscle?

Back

It draws the eyebrows together, creating vertical wrinkles.

Front

What is the primary action of the lateral pterygoid muscle?

Back

It assists in opening the jaw and moving it side to side.