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The sciatic nerve runs from the spine down the back of the leg to the foot. Pressure on the nerve from a herniated disk can cause a pain called sciatica. Watch to learn more about the sciatic nerve and sciatica.
You have a sciatic nerve on each side of your body. They are the longest and widest nerves in your body. They run from your lower spine through your hips and buttocks down to the backs of your knees. From there, the sciatic nerves branch out and extend down to your feet. When there is a problem with one of your sciatic nerves, pain can radiate throughout the length of it and travel all the way down to your foot. The pain that develops is referred to as sciatica.
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