The discs are the protective padding between the bones and vertebrae of the spine. They support the spinal column and keep everything in place. A slipped disc occurs when a disc comes out of alignment. However, the term "slipped disc" is a misnomer. The discs do not actually slip out of place, but rather bulge, split, or rupture.
While a disc can slip or rupture anywhere in the back or neck, the most common place is the lower back. The pain from the slipped disc puts added pressure on the spinal column and the adjacent nerves. In the lower back, most of the nerves lead to the legs and feet. Pain and numbness in one or both feet are not uncommon with a slipped disc in the lower back.
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