Exam 11: The Muscular System

Muscles with either parallel or fusiform arrangements of fasciculi tend to have longer fibers than pennate muscles.

Which best describes the latissimus dorsi?

The muscles of the posterior compartment of the thigh _____ the thigh and _____ the leg.

The following muscles all have attachments to ribs or their costal cartilages. Which of them are NOT used to produce the movements of normal breathing? 1) external intercostals 2) internal intercostals 3) external obliques 4) internal obliques 5) diaphragm

Which two muscles provide good examples for use of the term "synergists"?

The rotator cuff muscles are _____, _____, _____, and _____. What vigorous movement of the shoulder most likely contributes to a rotator cuff injury?

The muscle indicated by line D can extend the spine.

Of the muscles that move the forearm, two have points of origin on the scapula. They are the biceps brachii and the:

Which best describes the sartorius?

The _____ muscle extends from the sternum to the thyroid cartilage and acts to depress the larynx.

All muscles of facial expression are innervated by the _____ cranial nerve.

The most common type of lever in the body is the first-class lever designated as EFL.

The three intrinsic muscles of the hand that produce thumb movements are, as a group, called _____ muscles.

Which two muscles provide a good example of an "antagonistic pair"?

What is the action of the flexor digitorum brevis?