Which of the following is true regarding the levator scapulae?
A. It is innervated by the phrenic nerve.
B. It flexes the neck if the scapula is fixed.
C. It rotates the scapula and depresses the apex of the shoulder.
D. It elevates the scapula if the scapula is fixed.
E. It protracts the scapula if the humerus is fixed.
Answer: B
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A. is not rigid. B. contains dead cells. C. is avascular. D. has a rich blood supply. E. does not contain protein fibers.
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