The two large, flat muscles (D) that cover the lower back, extend and adduct the humerus.

These diamond-shaped muscles (A) extend the head, elevate, depress, adduct, and stabilize the scapula.

These muscles (D) flex the vertebral column, rotate the trunk and bend it laterally.

These paired straplike muscles (A) are the most superficial muscles of the abdomen. They flex the vertebral column and compress the abdomen during defecation, childbirth, and forced breathing.

This fairly weak muscle (E) resides mainly in the forearm.

This two-headed muscle (C) bulges when the elbow is flexed.

This large fan-shaped muscle (B) covers the upper part of the chest. It adducts and flexes the arm.

This triangle-shaped muscle (A) forms the rounded shape of your shoulders, abducts the arm, and is a favorite injection site.

This muscle (K) flexes your neck. Some people call this the "prayer" muscle. It can also rotate the head toward the shoulder and tilt the head to the side.

This chewing muscle (J) closes the jaw by elevating the mandible.

This muscle (I) covers the posterior aspect of the skull and pulls the scalp posteriorly.

This muscle (H) lies over the temporal bone and helps the masseter close the jaw.

This muscle (F) pulls the corners of the mouth inferiorly, producing a downward sag of the mouth (the "sad clown" face).

This muscle (E) closes the mouth and protrudes the lips. It is often called the "kissing" muscle.

This muscle (C) is called the "smiling" muscle because it raises the corners of the mouth upward.

This muscle (B) allows you to close your eyes, squint, blink, and wink.

This muscle (A) allows you to raise your eyebrows and to wrinkle your forehead.

Action of the quadriceps (Rectus femoris and Vastus muscles)?

Which muscle is highlighted in the picture? (Deep muscle)

What muscles are highlighted in the picture?

What is this muscle

What is this muscle?

What is this

What is this

What is this

Were is the muscle were the lungs are