Head & Neck Muscles

Front

What is the masseter muscle responsible for?

Back

The masseter muscle is responsible for elevating the mandible, which is essential for chewing.

Front

Where does the platysma muscle originate and what is its function?

Back

The platysma muscle originates from the fascia of the chest and shoulder and functions to pull the lip down and tense the skin of the neck.

Front

What action does the zygomaticus major muscle perform?

Back

The zygomaticus major muscle draws the corners of the mouth upward, facilitating smiling.

Front

What is the primary function of the orbicularis oculi muscle?

Back

The orbicularis oculi muscle is responsible for closing the eyelids and squinting.

Front

How does the buccinator muscle assist in oral functions?

Back

The buccinator muscle helps in blowing air out of the mouth and keeps food positioned between the teeth during chewing.

Front

What is the role of the mentalis muscle?

Back

The mentalis muscle elevates and protrudes the lower lip, often associated with pouting.

Front

What is the origin of the frontalis muscle?

Back

The frontalis muscle originates from the galea aponeurotica and is responsible for raising the eyebrows.

Front

What is the function of the occipitalis muscle?

Back

The occipitalis muscle pulls the scalp backward.

Front

Which muscle is involved in the action of kissing?

Back

The orbicularis oris muscle is involved in the action of kissing by closing and puckering the lips.

Front

What is the primary action of the lateral pterygoid muscle?

Back

The lateral pterygoid muscle is responsible for moving the mandible forward and side to side, aiding in chewing.