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.
Sciatic Nerve and Pain. Sciatica is the term for nerve pain that comes from the sciatic nerve, the longest and widest nerve of the body. There are two sciatic nerves that come from each side of the spine where the low back meets the buttocks. The sciatic nerve travels down the back of each leg to the foot.