Understanding Sacroiliac Joint Pain

What is the Sacroiliac Joint?

The sacroiliac (SI) joints are the connection between the sacrum (found near the bottom of the spine and triangular in shape) and the pelvis. Consequently, a significant amount of force is transmitted between these joints, moving from the upper body down to the pelvis and legs, and vice versa.

The joints are small, but normally very strong, due to sturdy ligaments reinforcing the surrounding area. They also do not yield much movement.

What Causes Sacroiliac Joint Dysfunction?

Unfortunately, there is no clear answer as to why a dysfunction of the sacroiliac joint might occur. The primary theory revolves around an alteration in the normal joint motion, but how or why that would occur is unclear. However, what does cause the pain is one of two possibilities:

  • The joint being too mobile and unstable.
  • The joint is too stiff and rigid, increasing stress on the joints.

What are the Symptoms of Sacroiliac Joint Dysfunction?

For patients with SI joint pain, symptoms will vary depending on whether the joints are too mobile or too fixated. If they are too mobile, pain is experienced within the lower back or hip regions. It also may reach into the groin region. If the SI joints are inflexible, the pain symptoms are usually localized to one side of the body or the other. Pain and discomfort might radiate through the lower back, buttock, or upper leg. In rare circumstances, pain may reach the ankle or foot. Patients suffering from sacroiliac joint pain have described the pain symptoms to be akin to sciatica.


How Can Sacroiliac Joint Pain Be Treated?

At Premier Pain Centers, sacroiliac joint pain is typically treated with an injection procedure. The injection is a mixture of local anesthetic and steroids that will medicate the irritated joint. For more information on sacroiliac joint pain and its treatment options, please request an appointment today.

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