A brachial plexus injury occurs when the network of nerves that sends signals from the spine to the shoulder, arm, and hand is damaged. This injury can result from trauma, such as a sports accident, a fall, or during childbirth. Symptoms may include weakness, numbness, or paralysis in the affected arm. Treatment for a brachial plexus injury varies depending on the severity. Mild cases may improve with physical therapy, while more severe injuries might require surgery to repair the damaged nerves. Early diagnosis and intervention are crucial for the best possible recovery outcomes.