

The sacroiliac (SI) joints are formed by the connection of the sacrum and the right and left iliac bones. The SI joints connect the spine to the pelvis. The sacrum and the iliac bones (ileum) are held together by a collection of strong ligaments. There is relatively little motion at the SI joints.
| What is sacroiliac joint dysfunction? | |
Different terms for sacroiliac joint problems:
Each of these terms refers to a condition that causes pain in the SI joints from a variety of causes. |
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| What are the causes of sacroiliac joint dysfunction? |
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When this cartilage is damaged or worn away, the bones begin to rub on each other, and degenerative arthritis (osteoarthritis) occurs. This is the most common cause of SI joint dysfunction. Degenerative arthritis occurs commonly in the SI joints, just like other weight-bearing joints of the body. Another common cause of SI joint dysfunction is pregnancy. During pregnancy, hormones are released in the woman's body that allows ligaments to relax. This prepares the body for childbirth. Relaxation of the ligaments holding the SI joints together allows for increased motion in the joints and can lead to increased stresses and abnormal wear. Any condition that alters the normal walking pattern places increased stress on the SI joints. This could include a leg length discrepancy (one leg longer than the other), or pain in the hip, knee, ankle, or foot. Patients with severe pain in the lower extremity often develop problems with either the lower back (lumbar spine) or SI joints. In most cases if the underlying problem is treated, the associated lumbar spine or SI joint dysfunction will also improve. | |
| Other Causes | |
gout, rheumatoid arthritis, psoriasis, and ankylosing spondylitis. |
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| Sacroiliac Joint Pain (SI Joint Pain) Symptoms | |
The most common symptom of SI joint dysfunction is pain. Patients often experience pain in the lower back or the back of the hips. Pain may also be present in the groin and thighs. In many cases, it can be difficult to determine the exact source of the pain. Your physician can perform specific tests to help isolate the source of the pain. The pain is typically worse with standing and walking and improved when lying down. Inflammation and arthritis in the SI joint can also cause stiffness and a burning sensation in the pelvis. |
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| What is the treatment for sacroiliac joint dysfunction? | |
Injections into the SI joint can provide both diagnosis and treatment. The duration of pain relief - from injection can last from one day to much more long term. The injections can be repeated each month for a total of three each year. Oral anti-inflammatory medications. Physical therapy/ physiotherapy can be very helpful. Other options to stabilize the SI joints include yoga, manual therapy. If other treatments fail and pain continues to interfere with normal activities, --- surgery is advised. |
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