Comedian Russell Brand is famous for his controversial comments and stunts, past struggles with addiction and his short-lived marriage to singer Katy Perry.
The sciatic nerve begins in the lower back, extends through the buttocks and goes down the length of the leg. It is the longest nerve in the body. The pain that occurs when this nerve becomes inflamed or compressed is called sciatica.
The sciatic nerve. The sciatic nerve begins in the lumbar (lower back) region of the spine, specifically at the L4 and L5 levels. The nerve exits the spinal canal through two openings in the sacral (pelvic) spine, extending through the length of the legs. The sciatic nerve is the widest nerve of all the millions in the body, and it is also the longest nerve, which means it innervates more areas than any other nerve. Since the sciatic nerve begins in the lower back, but travels all the way to the toes, sciatic nerve pain can extend to the following areas: