what is brachial plexus

The brachial plexus is a network of nerves that provides movement and feeling to the shoulder, arm, and hand. It is formed by the intercommunication of the ventral rami of the lower four cervical nerves and the first thoracic nerve. The brachial plexus controls the motions of the wrists, hands, and arms, allowing for various movements. Injuries to the brachial plexus can occur due to trauma, such as falls, motor vehicle accidents, or medical trauma, and may result in weakness, loss of feeling, or loss of movement in the affected areas. The severity of the injury can vary, and treatment may range from physical therapy to surgery, depending on the extent of the damage