Scapula protractors

Question 1

Serratus anterior

Answer 1

O: outer surface and superior borders of upper eight, nine or ten ribs and intervening intercostal fascia

I: costal surface of medial border of scapula

D:

A: Protracts and laterally rotates scapula

N: long thoracic nerve (C5-C7)

Question 2

Pectoralis minor

Answer 2

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 nerve (C5-T1)