Deep posterior axio-apependicular muscles

Question 1

What is the proximal attachment of the levator scapulae?

Answer 1

Posterior tubercles of transverse processes of C1 - C4 vertebrae

Question 2

What is the distal attachment of the levator scapulae?

Answer 2

Medial border of scapula superior to root of scapular spine

Question 3

What is the innervation of the levator scapulae?

Answer 3

Dorsal scapular (C4, C5) and cervical (C3, C4) nerves

Question 4

What is the muscle action of the levator scapulae?

Answer 4

Elevates scapula and rotates its glenoid cavity inferiorly by rotating scapula

Question 5

What is the proximal attachment of the rhomboid minor and major?

Answer 5

Minor: nuchal ligament; spinous processes of C7 and T1 vertebrae
Major: spinous process of T2 - T5 vertevrae

Question 6

What is the distal attachment of the rhomboid minor and major?

Answer 6

Minor: smooth triangular area at medial end of scapular spine
Major: medial border of scapula from level of spine to inferior angle

Question 7

What is the innervation of the rhomboid minor and major?

Answer 7

Dorsal scapular nerve (C4, C5)

Question 8

What is the muscle action of the rhomboid minor and major?

Answer 8

Retract scapula and rotate its glenoid cavity inferiorly; fix scapula to thoracic wall