The posterior femoral cutaneous nerve gives innervation to the again aspect of the leg and thigh space, in addition to to the perineal pores and skin floor.
It’s a small sciatic nerve that originates partially from the dorsal and ventral divisions of the nerves within the sacrum. It exits the pelvic area by way of a gap often known as the higher sciatic foramen. From there, it traverses beneath the gluteus maximus muscle and above the elongated prime of the biceps femoris muscle within the rear portion of the thigh, earlier than lastly coming into the deep fascia.
It’s known as the cutaneous nerve as a result of all its branches pertain to the pores and skin. These branches are unfold all through the pores and skin of the perineum, the buttocks area, and the posterior (rear) components of the leg and thigh. The posterior femoral cutaneous nerve consists of a lot of nerve filaments that unfold out and are distributed over the posterior a part of the leg and thigh.