What is a brachial plexus?

The brachial plexus refers to a network of nerves that originates from the spinal cord in the neck region and extends into the shoulder area, forming a vital communication system for the arm and hand. It is composed of roots, trunks, divisions, cords, and branches, all of which play crucial roles in providing sensation and motor control to the upper limb. The significance of the brachial plexus lies in its ability to combine several nerves into a complex network, allowing for coordinated movement and sensory input from the shoulder down to the fingertips. Understanding the structure and function of the brachial plexus is essential for martial arts instructors, as they can apply this knowledge to prevent or address injuries related to nerve compression or damage during training and sparring activities.