The sacroiliac joint (SIJ) is a term used to describe the place where the sacrum and the iliac bones join.
The main purpose of the joint is to connect the spine and the pelvis. As a result, there is very little movement at the sacroiliac joint.
Listed below are the major reasons for pain around the sacroiliac joint:
Although, SIJ pain can be caused by trauma, this type of injury more often develops over a long period of time.
Symptoms of sacroiliac joint dysfunction include:
Your doctor may move your legs and hips around in different positions to help diagnose a SIJ dysfunction. Your doctor may also need to take x-rays or do a CT scan.
Follow these steps for the first few days or weeks after your injury or when starting treatment for SIJ pain:
For pain, you can use ibuprofen (Advil, Motrin), naproxen (Aleve, Naprosyn), or acetaminophen (Tylenol). You can buy these pain medicines at the store without a prescription.
If this is a chronic problem, your doctor may order:
When treating an injury, keep activity to a minimum. The more time the injury has to heal, the better. For support during activity, you can use a sacroiliac belt or lumbar brace.
Physical therapy is an important part of the healing process. It will help improve pain and increase strength. Talk to your doctor or physical therapist for exercises to practice.
Here is an example of an exercise for your lower back:
The best way to get rid of SIJ pain is to stick to a care plan. The more you rest, ice, and practice exercises, the quicker your symptoms will improve or your injury will heal.
Your doctor may need to follow up if the pain is not going away as expected. Talk to your doctor about:
Call the doctor if you have:
SIJ pain - aftercare; SIJ dysfunction - aftercare; SIJ strain - aftercare; SIJ subluxation -aftercare; SIJ syndrome - aftercare
Isaac Z, Devine J. Sacroiliac joint dysfunction. In: Frontera, WR, Silver JK, Rizzo TD Jr, eds. Essentials of Physical Medicineand Rehabilitation. 2nd ed. Philadelphia, Pa: Saunders Elsevier; 2008:chap 47.
Updated by: David C. Dugdale, III, MD, Professor of Medicine, Division of General Medicine, Department of Medicine, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M. Health Solutions, Ebix, Inc.
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