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Sacroiliac Joint Pain and Injury

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The small joint that rests where the spine and the pelvis meet is called the sacroiliac joint. Typically, when we hear the word “joint” in reference to the human anatomy, we think of elbows, knees, hips, and shoulders, as these are the areas that create motion. Even though the sacroiliac joint does not move significantly, it has tremendous impact on how the upper body load is transferred to the lower body.

It can be difficult to diagnose pain in the sacroiliac joint because this joint is not easily manipulated or touched. Diagnostic results of this joint typically return as normal, as tests cannot simply isolate this joint. Also, a host of other problems, such as back pain, sciatica, and hip arthritis, can create similar symptoms.

The causes of sacroiliac joint pain and injury can be brought on by trauma. For example, a person could land on his or her buttocks with such force that damage is sustained to the ligaments that support the sacroiliac joint. Another cause could be biomechanical in nature, due to muscle imbalance, overpronation, or leg length discrepancy. Pregnancy, with the added stress it puts on the spine through weight gain, can contribute to sacroiliac joint injury and pain.

Some of the symptoms of this type of injury include noticeable pain when turning over in bed. When putting on socks and shoes, the patient might notice discomfort in the lower back. Getting one’s legs out of a car may prove to be painful and difficult. When driving for an appreciable amount of time, one may notice significant pain to either side of the back.

A good initial method of diagnosing any problem with the sacroiliac joint is to simply feel for it and see if it is tender. The FABER test, which places pressure across the joint, can indicate any potential problem. This is done with the patient lying down, flexing the hip, abducting the leg, and rotating the hip externally. This particular movement will place pressure right across the sacroiliac joint.

If that particular diagnosis is inconclusive, then an injection of a numbing agent, such as Novocain, can be administered into the sacroiliac joint. If the patient’s symptoms are alleviated as a result, then the test will prove positive for a problem with the joint.

In treating inflammation of the sacroiliac joint, conservative approaches usually work best. Obviously, the patient should avoid any activities that caused the symptoms. If the patient is an athlete, he or she should refrain from participating in sports until the inflammation dissipates. Certain anti-inflammatory medications may reduce the inflammation. However, it is important to recognize that such medications are not given as pain relief, but only as a means to reduce the inflammation. As such, if the patient discontinues the medication simply because the pain has subsided, he or she may be diminishing its effect on the inflammation. It is important to stick to the medicinal regimen as directed by the physician.

Another avenue of treatment includes physical therapy. A trained physical therapist can recommend a series of exercises that will strengthen the muscles around the sacroiliac joint and the lower back, helping to increase the flexibility around the joint.

If the above measures do not prove successful, the doctor may recommend a cortisone injection into the joint. Such an injection is far more powerful than the anti-inflammatory medications as noted above.

(Information for this article was obtained at:
http://orthopedics.about.com/cs/hipsurgery/a/sacroiliactjoint.htm and

Add a Comment4 Comments

EmpowHER Guest

Definately have SI, exercise, stretching and pain medication allow some relief, but never feel pain free. Use Heat and rest to cope with constant pain from SI.

September 29, 2012 - 7:41am

thank you for this helpfull infor, i been having the same pain back legs walking it hard the doctor gave me pain pills rest.
i have another appt but not until aug 1
cnos pain clinic . again thanks ladyrose

July 7, 2012 - 11:52pm
Expert HERWriter Guide Blogger

Hi snanny - There are many causes of sacroiliac joint pain. As Ann noted in her article, the causes include trauma and pregnancy, as well as biomechanical causes such as muscle imbalance, overpronation, or leg length discrepancy. Additional causes include osteoarthritis, gout, rheumatoid arthritis, psoriasis and ankylosing spondylitis.

In terms of your doctor saying you are too young for arthritis, you're correct to question that statement. Arthritis can affect anyone, at any age. You can learn more from the Arthritis Foundation: http://www.arthritis.org/learn-about-arthritis.php

Is this information helpful? Please let us know and if you have additional questions. Thanks, Pat

March 29, 2010 - 5:49pm

I am having defininte sacroiliac pain. It started as a minor irritation in the right buttock and grew over a period of weeks. The transition from standing to sitting started the more major pains, progressing to the transition from sitting to standing, then maintaining a sitting sitting position, then standing/walking, and finally to where the pain was not relieved even with laying down. Last week, I had a guided injection into the SI joint. This helped somewhat for a few days. The more significant pain seems to be returning. I do not recall any injury that may have caused this pain. I am not pregnant. The doctor says I am too young for it to be arthritis (though I'm not sure I believe this - I'm 38). What are other causes of SI joint pain???

March 29, 2010 - 8:45am
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We value and respect our HERWriters' experiences, but everyone is different. Many of our writers are speaking from personal experience, and what's worked for them may not work for you. Their articles are not a substitute for medical advice, although we hope you can gain knowledge from their insight.

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