Innervations that branch off of Cords

Question 1

Lateral pectoral n

Answer 1

(lateral cord) innervates pectoralis major

Question 2

Medial pectoral n

Answer 2

(medial cord) innervates pectoralis major and minor

Question 3

Medial cutaneous nn. of arm and forearm (a.k.a. medial brachial cutaneous n and medial antebrachial cutaneous n)

Answer 3

(medial cord) innervates medial ventral upper and lower arm

Question 4

Upper and Lower subscapular nn.

Answer 4

(posterior cord) subscapularis m.

Question 5

Thoracodorsal n. (a.k.a. middle subscapular n)

Answer 5

(posterior cord) latissimus dorsi m.