Do you know the causes of sciatica?
Sciatica is the symptom of an underlying medical condition. The mechanism of sciatic nerve injury is either a result of direct nerve compression, inflammation, an abnormal immune system response of the body, or a combination of all these factors.Understanding the possible causes of sciatica can help focus treatment on addressing the root problem rather than just masking the symptoms.The kings park chiropractic clinic Physical therapist near me will tell you Common Causes of Sciatica.
Sciatica can be caused by several different medical conditions including:
A herniated or slipped disk that causes pressure on a nerve root. This is the most common cause of sciatica. About 1% to 5% of all people in the U.S. will have a slipped disk at one point in their lives. Disks are the cushioning pads between each vertebrae of the spine. Pressure from vertebrae can cause the gel-like center of a disk to bulge (herniate) through a weakness in its outer wall. When a herniated disk happens to a vertebrae in your lower back, it can press on the sciatic nerve.
A herniated disc may compress the sciatic nerve on one side, causing symptoms in one leg, or the disc may bulge or herniate from both sides, causing symptoms in both legs (bilateral sciatica). Bilateral sciatica may also be caused by two adjacent segments discs herniating on either side, although this possibility is rare.
The piriformis is a muscle found deep inside the buttocks. It connects the lower spine to the upper thighbone and runs directly over the sciatic nerve. If this muscle goes into spasm, it can put pressure on the sciatic nerve, triggering symptoms of sciatica. Piriformis syndrome is more common in women.
Degeneration of tissues in the lumbar spine can compress or irritate the sciatic nerve. Degeneration of the facet joints can also cause the synovial tissue in the joint’s capsule to inflame and increase in bulk. Degeneration of vertebral bone may cause abnormal bone growths (bone spurs or osteophytes). These abnormally bulky tissues in the lumbar spine may cause compression of one or more nerve roots of the sciatic nerve. Degenerated intervertebral discs may secrete inflammatory proteins, causing inflammation of the sciatic nerve.
Spondylolisthesis is a slippage of one vertebra so that it is out of line with the one above it, narrowing the opening through which the nerve exits. The extended spinal bone can pinch the sciatic nerve.
Lumbar spinal stenosis
Lumbar spinal stenosis. Spinal stenosis is the narrowing of the spinal canal and is relatively common in adults older than age 60. Research suggests that lateral recess stenosis may be common in causing sciatica in the elderly population.
In rare cases, sciatica may result from tumors growing inside or along the spinal cord or sciatic nerve. As a tumor grows, it may put pressure on the nerves that branch off from the spinal cord.
Spondylolisthesis occurs when a small stress fracture causes one vertebral body to slip forward on another. For example, the L5 vertebra may slip forward over the S1 vertebra. Sciatica may result from nerve compression following the disc space collapse, fracture, and forward slipping of the vertebral body. Spondylolisthesis may cause bilateral sciatica and is more common in younger adults.
Sacroiliac joint dysfunction
Sacroiliitis is an inflammation of one or both of the sacroiliac joints, the spot where the lower spine connects to the pelvis. Sacroiliitis can cause pain in the buttocks, lower back, and may even extend down one or both legs. The pain can worsen with prolonged standing or climbing stairs. Sacroiliitis can be caused by arthritis, injury, pregnancy, or infection.
Injury or Infection
Other causes of sciatica include muscle inflammation, infection, or injury, such as a fracture. In general, any condition that irritates or compresses the sciatic nerve can trigger symptoms.In some cases, no specific cause of sciatica can be found.
Most cases of sciatica do not require surgery. Time and self-care treatment are usually all that’s needed. However, if simple self-care treatments do not relieve your pain, see your healthcare provider of kings park chiropractic clinic near me . Your healthcare provider can confirm the cause of your pain, suggest other treatment options and/or refer you to other spine health specialists if needed.
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