Scapula medial rotators

Question 1

Rhomboid major

Answer 1

O: spines and supraspinous ligaments of T2-T5

I: medial border of scapula between root of spine and inferior angle

D:

A: retracts and medially rotates scapula

N: dorsal scapular nerve (C4,5)

Question 2

Rhomboid minor

Answer 2

O: spines and supraspinous ligaments of C7-T1, lower part of ligamentum nuchae

I: medial end of spine of scapula

D:

A: retracts and medially rotates scapula

N: Dorsal scapular nerve (C4,5)

Question 3

Pectoralis minor

Answer 3

O: outer surface of third to fifth ribs and adjoining intercostal fascia

I: upper surface and medial border of coracoid process

D:

A: Protracts and medially rotates scapula

N: medial and lateral pectoral nerves (C5-T1)

Question 4

Levator scapulae

Answer 4

O: transverse processes of C1-C3/4

I: medial border of scapula between superior angle and base of spine

D

A: elevates, medially rotates and retracts scapula, extends and laterally flexes neck

N: ventral Rami (C3,4), Dorsal scapular nerve (C5)