Branches of the Brachial Plexus

Question 1

Dorsal Scapular n.

Answer 1

Motor innervation to rhomboid major/minor

Question 2

Long Thoracic n.

Answer 2

Motor innervation to the serratus anterior.

Question 3

Suprascapular n.

Answer 3

Motor innervation to supraspinatus and infraspinatus.

Question 4

Nerve to Subclavius

Answer 4

Motor innervation to subclavius.

Question 5

Lateral Pectoral n.

Answer 5

Motor innervation to pectoralis major.

Question 6

Musculocutaneous n.

Answer 6

Motor innervation to all muscles of the anterior arm; sensory innervation to the skin on the lateral forarm.

Question 7

Medial Pectoral n.

Answer 7

Motor innervation to pectoralis major and pectoralis minor.

Question 8

Median n.

Answer 8

Motor innervation to the anterior forearm; sensory innervation to the palm and digits.

Question 9

Ulnar n.

Answer 9

Motor innervation to the muscles of the hand; sensory innervation to the palm and digits.

Question 10

Superior Subscapular n.

Answer 10

Motor innervation to subscapularis.

Question 11

Thoracodorsal n.

Answer 11

Motor innervation to latissimus dorsi.

Question 12

Inferior Subscapular n.

Answer 12

Motor innervation to subscapularis and teres major.

Question 13

Axillary n.

Answer 13

Motor innervation to the deltoid and teres minor; sensory innervation to the skin of the lateral upper arm.

Question 14

Radial n.

Answer 14

Motor innervation to the muscles of the posterior arm; sensory innervation to the skin of the posterior forearm.