Muscle Flashcard 1-2022

Front

What is the action of the Sternocleidomastoid muscle?

Back

Flexes neck; rotates head.

Front

What is the origin of the Sternocleidomastoid muscle?

Back

Sternum & clavicle.

Front

What is the insertion of the Zygomaticus muscle?

Back

Skin & muscle at corner of lips.

Front

What is the action of the Zygomaticus muscle?

Back

Raises corner of mouth.

Front

What is the origin of the Orbicularis Oculi muscle?

Back

Frontal bone & maxilla.

Front

What is the action of the Orbicularis Oculi muscle?

Back

Closes eyelids.

Front

What is the origin of the Masseter muscle?

Back

Zygomatic arch.

Front

What is the action of the Masseter muscle?

Back

Elevates mandible (closes jaw).

Front

What is the insertion of the Temporalis muscle?

Back

Coronoid process of mandible.

Front

What is the action of the Temporalis muscle?

Back

Elevates and retracts mandible.