.png?w=400&auto=format)
.png)
The sensory nerve pathways of the hand descend from the brachial plexuses. These networks of nerve fibers are located deep within the shoulders between the neck and the axillae (armpits). The major branches emerging from the brachial plexuses include the ulnar nerves, which supply the forearms and hands and the skin of the hands; medial nerves, which supply the forearms and skin of the hands; and themycontentbreak radial nerves, which supply the back of the arms and the skin of the forearms and hands.