CST Veterans Day customer support available 8 a.m. - 1 p.m. CST Thanksgiving Day all facilities closed Christmas Eve all facilities close at noon Christmas Day all facilities closed Locations/ATMs.
The anterior thoracic nerve from the C5 to C8 roots innervates the pectoralis major and minor, and the thoracodorsal nerve from C6 to C8 roots innervates the latissimus dorsi muscle. The axillary nerve is formed by fibers of the C5 to C6 roots which go through the posterior cord of the plexus and innervate the deltoid and teres minor muscles, as well as part of the skin of the lateral shoulder.
However, the sciatic nerve does directly innervate the muscles in the posterior compartment of the thigh, and the hamstring portion of the adductor magnus. Tibial nerve â the muscles of the posterior leg (calf muscles), and some of the intrinsic muscles of the foot.