Key to labels of Brachial Plexus

U – Upper Trunk

M – Middle Trunk

L – Lower Trunk

A – Anterior Division

P – Posterior Division

L – Lateral Cord

Po – Posterior Cord

M – Medial Cord

LH – Lateral Head of Median Nerve

MH – Medial Head of Median Nerve

1 –Dorsal Scapular Nerve

2 – Nerve to Subclavius

3 – Suprascapular Nerve

4 – Lateral Pectoral Nerve

5 – Medial Pectoral Nerve

6 – Communicating Branch

7 – Upper Subscapular Nerve

8 – Thoracodorsal Nerve

9 – Lower Subscapular Nerve

10 – Medial Brachial Cutaneous Nerve

11 – Medial Antebrachial Cutaneous Nerve

12 – Long Thoracic Nerve

13 – Intercostobrachial Nerve