Diagnosis and Treatment

Sacroiliitis is often difficult to diagnose; it is often mistaken for lumbago, sciatica, or hip pain. It may develop following spinal stenosis surgery or after spinal decompression therapy.

Whenever you are having pain, the more you can learn about the cause of your pain, the more you can be involved the treatment of your pain.






The sacroiliac joints are two joints at the back of the pelvis, they connect The bones of the pelvis to the sacrum. They are tough ligamentous joints that flex when we walk or move. 

Any time these joints become inflamed it can be called sacroiliitis, and there are a variety of things that can inflame these joints. Even minimally invasive spine surgery can effect your sacroiliac joints.

"sacroiliac dysfunction from inactivity"

The sacroiliac joints are held in place by large ligaments.  When these ligaments are stretched in an accident or from heavy lifting they may allow abnormal motion causing sacroiliac joint dysfunction.  When these joints do not move correctly it can be very painful.

Another cause of sacroiliac dysfunction is inactivity from disability or simply not exercising.  When these joints are not moved, these ligaments become too short and too tight, preventing normal motion and causing pain.

Some other common causes of sacroiliac joint pain are:

  • Minimally invasive spine surgery
  • Spinal decompression therapy
  • Trauma from heavy lifting or an accident
  • Hormonal changes associated with pregnancy, and menstruation
  • Autoimmune disorders, such as rheumatoid arthritis, that affect the sacroiliac joints
  • Degenerative joint disease of the sacroiliac joints
  • Infections of the joint or bone such as osteomyelitis

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"may radiate into the low back or into the buttocks and thighs"

Symptoms include sacroiliac joint pain, and tenderness in the posterior pelvis. Sacroiliac pain may be on one side or the other or in some cases bilateral. This may be confused with piriformis syndrome or spinal stenosis, and the pain may radiate into the low back or into the buttocks and thighs similar to sciatica. The symptoms are usually worse with activity and some cases may be relieved by rest.

Sacroiliac Joint Pain Information For Women

When you are pregnant, your body produces hormones, which make your ligaments soft and allows them to stretch. This allows the bones of the

pelvis to separate slightly and allow the delivery of your baby. These same hormones fluctuate with your monthly cycle and can affect your sacroiliac joints.

Unfortunately, these ligaments are also full of nerve endings which can cause pain when you're pregnant and in the days leading up to your period.

sacroiliac joint

    Image thanks to Bruce Blaus via Wikimedia Commons

Learn More: 
Sacroiliitis Ch 2
Other Causes and Treatments



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