HERNIATED DISC

Herniated disks are most common in the lumbar spine -- the part of your backbone between the bottom of your ribs and your hips. Disks are like soft cushions between the bones of the spine. The disks in the spine let you move your backbone.

When a disk between two bones in the spine presses on the nerves around the backbone, it's called a herniated disk. The word "herniate" (say: her-nee-ate) means to bulge or to stick out. Sometimes this is called a ruptured or slipped disk.

How does a disk become herniated?

As you grow older, your disks become flatter -- less cushiony. If a disk becomes too weak, the outer part may tear. The inside part of the disk pushes through the tear and presses on the nerves beside it. The drawing to the right shows how a disk looks when it gets pushed through the tear and presses on a nerve. Herniated disks are most common in people in their 30s and 40s.

What are the signs of a herniated disk?

When part of a disk presses on a nerve, it can cause pain in the back and the legs. The location of the pain depends on which disk is weak. How bad the pain is depends on how much of the disk is pressing on the nerve. In most people with herniated disks, the pain spreads over the buttocks and goes down the back of one thigh and into the calf. This is known as sciatica because the pain travels along the path of the sciatic nerve. Some people have pain in both legs. In some people, the legs or feet feel numb or tingly.

The pain from a herniated disk is usually worse when you're active and gets better when you're resting. Coughing, sneezing, sitting, driving and bending forward may make the pain worse. The pain gets worse because these movements put more pressure on the nerve.

People with painful herniated disks often try to change positions to reduce the pain. You may have found that holding yourself up with your hands while you are sitting helps the pain. Shifting your weight to one side may also help. Don’t Ignore your pain