Lower extremity peripheral n. approaches

Approach to Sciatic Nerve

Skin incision:
An oblique skin incision is made (right side, green mark)  along with the fibers of the gluteus maximus m. at the middle of the gluteal area.
Image
Image
1. Gluteus maximus fibers split
The fibers of the gluteus maximus m. are split to the deep fascia and fat pad covering the sciatic nerve. The course of the nerve is marked in blue.
2. Exposure of the sciatic n.
After opening of the deep fascia as well as removal of the deep fat pad the sciatic nerve is exposed. The tibial and the common peroneal nerve components of the sciatic nerve are presented.