Naming Major Muscles

Front

What is the orbicularis oris?

Back

A circular muscle around the mouth that controls movements of the lips.

Front

What is the function of the frontalis muscle?

Back

It raises the eyebrows and wrinkles the forehead.

Front

What is the role of the triceps brachii?

Back

It is responsible for extending the elbow joint.

Front

What is the biceps brachii?

Back

A muscle located on the front of the upper arm that flexes the elbow.

Front

What does the temporalis muscle do?

Back

It assists in chewing by elevating the mandible.

Front

What is the masseter muscle?

Back

A powerful muscle that plays a major role in the chewing of solid foods.

Front

Identify the quadriceps femoris muscle.

Back

A group of four muscles located at the front of the thigh, responsible for knee extension.

Front

What is the pectoralis major?

Back

A thick, fan-shaped muscle situated at the chest, responsible for the movement of the shoulder joint.

Front

What is the role of the deltoid muscle?

Back

It is responsible for shoulder abduction, flexion, and extension.

Front

What are finger extensors?

Back

Muscles that extend the fingers and are located on the posterior side of the forearm.