mod 11

Collectively, these muscles support and position the head, vertebral column, and thoracic cage. They also control movements associated with respiration and form part of the floor of the pelvic cavity.

Axial muscles

Which muscles arise from the skull and often attach to the skin?

Muscles of facial expression

The muscle that causes the look of fear by tensing the skin of the neck is the

platysma

Which extrinsic eye muscle moves through a pulley-like loop?

Superior oblique

Which extrinsic eye muscle is innervated by the abducens nerve (CN VI)?

Lateral rectus

There are four muscles of mastication. Select the exception.

Buccinator

Masseter

Temporalis

Lateral pterygoid

Medial pterygoid

Buccinator

Which muscle does not move the mandible?

genioglossus

The muscle responsible for sticking out the tongue is the

genioglossus

This muscle has its inferior attachment on the manubrium and sternal end of the clavicle, and its superior attachment on the mastoid process.

Sternocleidomastoid

The muscle(s) that form(s) a partition between the thoracic and abdominal cavities is/are the

diaphragm

The deepest of the abdominal muscles are the _________ muscles.

transversus abdominis

Which muscle forms the traditional "six-pack" of a well-toned abdominal wall?

Rectus abdominis

What is an aponeurosis?

A flat sheet of connective tissue used for muscle attachment

What is the linea alba?

A narrow, vertical, fibrous strip used to attach muscle sheaths of the left and right rectus abdominis

Which of the abdominal muscles has its superior attachment on the xiphoid process of the sternum?

Rectus abdominis