Upper-arm weakness (paresis) or paralysis indicates peripheral-nerve damage to the brachial plexus, a network of lower cervical and upper thoracic spinal nerves supplying the arm, forearm, and hand.

Brachial plexus injuries (BPI) are usually readily apparent at or shortly after birth. Failure of caregivers to recognize and appropriately treat BPI may contribute to the risk of life-long ...

The brachial plexus refers to a network of nerves that start out in the neck and move through the upper limbs. This covers the shoulders, arms, elbows, forearms, wrist as well as the hand. All five of ...