When the disc bulges or herniates, it can come into contact with the nerve root that forms the sciatic nerve. Discs can degenerate, and the outer layers of the disc can split causing the centre of the disc to bulge outwards. Discs are the pads between the vertebrae that help with movement and act as a shock absorber for the spine. By far the most common cause is a disc problem. In addition, a tumour or cyst that presses on a nerve can also cause this condition. Numerous conditions, such as a herniated disc, spinal stenosis, or spinal injury, can cause sciatica. Myself personally, as author of this article, I’ve both suffered with it (for many years) and treated hundreds if not thousands of cases of sciatica over 20 years of working. We see it every day numerous times at our clinic at Surrey Physio. Sciatica is a very common problem, and can be very debilitating. From the lower back, the sciatic nerve travels through the buttocks and down the back of each leg. It is caused by pressure on the longest and widest nerve in the body, the sciatic nerve. Sciatica is a condition that causes lower back and leg pain, numbness, and tingling.
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