Posterior cord
# Posterior cord

The posterior cord is a part of the brachial plexus. It consists of contributions from all of the roots of the brachial plexus.

The posterior cord gives rise to the following nerves:

| Name | Roots | Supplies |
| - | - | - |
| upper subscapular nerve | C5-C6 | subscapularis muscle of the rotator cuff |
| lower subscapular nerve | C5-C6 | subscapularis muscle, teres major muscle |
| thoracodorsal nerve | C6-C8 | latissimus dorsi muscle |
| axillary nerve | C5-C6 | sensation to the shoulder and motor to the deltoid muscle, the teres minor and the triceps brachii (long head) muscle |
| radial nerve | C5-C8, T1 | triceps brachii muscle, the brachioradialis muscle, the extensor muscles of the fingers and wrist (extensor carpi radialis muscle), supinator, and the extensor and abductor muscles of the thumb |

## Additional images

* Brachial plexus
* Posterior cord
* Posterior cord
* Brachial plexus.Deep dissection.
* Brachial plexus.Deep dissection.Anterolateral view
