Posterior Scalene Flashcards
(4 cards)
0
Q
What is the inferior attachment of the posterior scalene?
A
external boarder of second rib
1
Q
What is the superior attachment of the posterior scalene?
A
posterior tubercles of transverse processes of C4-C6 vertebrae
2
Q
What innervates the posterior scalene?
A
anterior rami of cervical spinal nerves C7 and C8
3
Q
What are the main actions of the posterior scalene?
A
flexes neck laterally; elevates the 2nd rib during forced inspiration
