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.
Video Transcript. The sciatic nerve is the longest and largest nerve in the human body, running from the lower back through the back of the leg, and down to the toes.The sciatic nerve starts as a collection of nerve fibers in the lower spine.ideo Transcript. The sciatic nerve is the longest and largest nerve in the human body, running from the lower back through the back of the leg, and down to the toes.