Below is an instruction from Human. Write a response.
    ### Instruction:
    What is (are) Brachial Plexus Injuries ?
    ### Response:
    The brachial plexus is a network of nerves that conducts signals from the spine to the shoulder, arm, and hand. Brachial plexus injuries are caused by damage to those nerves. Symptoms may include a limp or paralyzed arm; lack of muscle control in the arm, hand, or wrist; and a lack of feeling or sensation in the arm or hand.
    