MSK Questions Review Ch 10 + on

10.1

What generalization can be made about the muscles of the spine when looked at from a depth perspective?

The larger, more superficial muscles of the spine are important for creating motion, and the deeper, smaller ones function to stabilize the spine.

10.2

Which of the erector spinae muscles runs far enough laterally to be deep to the scapula?

The iliocostalis

10.3

Which of the paraspinal muscles comprises the largest mass of musculature in the neck?

The semispinalis of the transversospinalis group.

10.4

It has been suggested that the main role of the rotatores is not movement, but _________ .

Proprioception.

10.5

The ______ and the ______ the run between the anterior and middle scalenes. Tightness of these muscles can contribute to which thoracic outlet syndromes?

Brachial plexus of nerves, subclavian artery. Anterior scalene syndrome and costoclavicular syndrome

10.6

The prevertebral group is made up of what four muscles? As a group, what is their primary function?

The prevertebral group consists of the longus colli, longus capitis, rectus capitis anterior, rectus capitis lateralis. Their primary function is to stabilize the neck.

10.7

A portion of the _______ is superficial in the posterior triangle of the neck, between the trapezius and the sternocleidomastoid.

Splenius capitis

10.8

What are the borders of the suboccipital triangle, and what is contained within these borders?

The borders of the suboccipital triangle of the neck are the rectus capitis posterior major, the obliquus capitis inferior, and the obliquus capitis superior. The suboccipital nerve and the vertebral artery are located within this area.

10.9

Explain the importance of the stabilization of the twelfth rib to breathing by the quadratus lumborum.

The quadratus lumborum provides a force of depression on the twelfth rib to keep it from elevating when the diaphragm contracts and pulls superiorly on it. By stabilizing the rib cage attachment of the diaphragm, the dome of the diaphragm can drop for abdominal breathing.

10.10

The inquinal ligament is part of the inferior fascial attachment of what muscle?

The external abdominal oblique.

10.11

Discuss the synergist/antagonist relationship between the abdominal oblique muscles. How does this relationship relate to a client's history, assessment, and treatment?