Identify the four major nerve plexuses, the major nerves of each and their distribution. A. Cervical Plexus: Phrenic N.; Innervation of the diaphragm B. Brachial Plexus: Axillary N., Radial N., Median N., Musculocutaneous N., and Ulnar N. C. Lumbar Plexus: Femoral N.; Innervation of the lower limb muscles D. Sacral Plexus: Sciatic N., Common Fibular N., and Tibial N.