Brachial Plexus Subway Map

The brachial plexus is a network of nerves formed by the ventral ramus of the lower four cervical nerves and first thoracic nerve c5 c6 c7 c8 and t1this plexus extends from the spinal cord through the cervicoaxillary canal in the neck over the first rib and into the armpitit supplies afferent and efferent nerve fibers to the chest shoulder arm and hand. A network of nerves innervating the musculature of the upper extremity while simultaneously relay ing sensory information to the central nerv ous system. And to have an excuse to learn illustrator radial nerve rist drop.