Smaller nerves of the arm

What it does

Besides the main nerves, many smaller branches leave the brachial plexus to supply the chest wall, shoulder blade muscles and the skin of the arm. Skin nerves of the forearm and hand carry touch from small patches of skin, mapped like tiles across the limb.

Nearby

• The brachial plexus
• The median nerve
• The "funny bone"
• The radial nerve

Read more

• Other nerves of the upper limb — Wikipedia