Posterior Femoral Cutaneous

The posterior cutaneous nerve of the thigh (also called the posterior cutaneous nerve) is a sensory nerve in the thigh. It supplies the skin of the posterior surface of the thigh, leg, buttock, and also the perineum.

Ventral rami of l4-s3 with parts of l4 and s4 spinal nerves form the sacral plexus. it is located on the posterior wall of pelvic cavity (pelvis minor). nervi of the plexus innervate the perineal region, buttocks and the lower limb. the largest nerve of the human body, the sciatic nerve, is the main branch that gives rami to the motor innervation of the muscles of the thigh, the leg, and the foot. common peroneal nerve and its branches innervate some parts of the skin of the foot, the peroneal muscles of the leg, and the dorsal muscles of the foot.