a target=”_blank” href=”http://www.guidanceon.com/sciatica/”>Causes of sciatica are varied, and unfortunately in many cases the cause of sciatic pain cannot be identified. It is believed that the general wear and tear of the body may result in sciatic pain, which can be relieved with some form of sciatica treatment. Sciatica is injury to or compression of the sciatic nerve.

 

Causes of Sciatica

Sciatic nerve pain starts when the main nerve into your leg, the sciatic nerve, is irritated, pinched, or compressed in some way. This can happen for one or more of several reasons; the following are the main causes of sciatica:

• Isthmic Spondylolisthesis - A stress fracture in the fifth lumbar vertebra, known as L5 can cause disc movement and hence sciatic symptoms.
• Piriformis Syndrome - The Piriformis muscle is found in your lower back and can sometimes spasm, resulting in sciatica symptoms.
• Degenerative Disc Disease - The discs in your spine age just as you do, and like the rest of our body are subject to wear and tear. What happens is your discs are ageing, hence pinching, irritating or putting pressure on your sciatic nerve.
• Lumbar spinal stenosis - The different roots of your sciatic nerve pass through passageways in your spine. One of these passageways may become smaller, resulting in pinching, irritation or putting pressure on the nerve.
• Lumbar herniated disc - The discs in your spine are like shock absorbers, allowing the back to bend and swivel. Ageing may weaken or damage these discs and a disc may bulge out or even split, pinching or putting pressure on your sciatic nerve. This is one of the most common causes of sciatica pain.
• Trauma - Accidents that causes sudden compression of the sciatic nerve can produce great pain, for example, breaking a bone that results in pressure on the nerve.
• Tumors - This may irritate the sciatic nerve and produce sciatica; however, this is rarely attributed as one of the causes of sciatica.
• Pregnancy - When you carry a baby extra strain is applied to your spine, which can result in sciatic pain.

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