Levator Scapulae

Question 1

The sup. 1/3 of levator scapulae lies deep to _____ muscle.
The inf. 2/3 of levator scapulae lies deep to _____ muscle.

Answer 1

Sternocleidomastoid
Trapezius

Question 2

What is the origin of levator scapulae?

Answer 2

Post. Tubercles (of TP’s) of C1-3/4

Question 3

What is the insertion of levator scapulae?

Answer 3

Med. border of scapula from sup. Angle to ROS

Question 4

What is the innervation of levator scapulae?
(____ rami C_,_ from ___ branches of ___ plexus)
(Twig from ____ _____ nerve C_)

Answer 4

Ventral rami C3,4 from deep branches of cervical plexus
Twig from dorsal scapular nerve (C5)

Question 5

What is the blood supply of levator scapulae

Answer 5

Deep branch of transverse cervical A.

Question 6

What is the action of levator scapulae?
(__ + __ scapula w/ trap)
(_____ CV column when scapula ____)

Answer 6

Elevates + retracts scapula w/ trap
Laterally flexes CV column when scapula fixed (not moved)