Chapter 11: Axial Muscles

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 Muscle

• Appendicular muscle

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

• Extrinsic eye muscles

• Muscles of mastication

• Muscles of facial expression

• • Muscles that move the tongue

• Muscles of the pharynx

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

• buccinator

• orbicularis oris

• zygomaticus major

• orbicularis oculi

• platysma

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

• Inferior oblique

• Superior oblique

• Lateral rectus

• Medial rectus

• Superior rectus

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

• inferior oblique

• Superior oblique

• Lateral rectus

• Media rectus

• Superior rectus

There are four muscles of mastication. Select the exception.

• Buccinator

• Masseter

• Temporalis

• Lateral pterygoid

• Medial pterygoid

Which muscle does not move the mandible?

• Temporalis

• Masseter

• Lateral pterygoid

• Medial pterygoid

• Genioglossus

The muscle responsible for sticking out the tongue is the

• hyoglossus

• palatoglossus

• styloglossus

• hypoglossus

• genioglossus.

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

• • Longissimus capitis

• Sternocleidomastoid

• Scalene

• • Splenius capitis

• • Splenius cervicus

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

• scalenes

• interspinales

• internal intercostal

• diaphragm

• transversus thoracis