Sacroiliac joint dysfunction sij d

Sacroiliac Joint Dysfunction (SIJ-D)

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Sacroiliac Joint Dysfunction (SIJ-D)

What is Sacroiliac Joint Dysfunction (SIJ-D)?

Sacroiliac Joint Dysfunction is a term used to describe the pain of the hip/ lower back near the Sacroiliac Joint which is also known as the ‘sit bone’. SIJ pain or dysfunction is often caused by an abnormal motion or malalignment of the Sacroiliac Joint. Sacroiliac Joint pain or dysfunction contributes to 15-30% of mechanical lower back problems.

Anatomy of the SIJ

The Sacroiliac joint dysfunction sij d (SI) Joints are formed by the connection of the sacrum (the sit bone) and the iliac bones (the hip bone). The sacrum is made up of five vertebrae that are fused together and the iliac bones are made up of two large bones that make up the pelvis. This means the SIJ joints connect the spine to the pelvis which is what allows us to walk/ create movement. The sacrum and the iliac bones (ileum) are held in position by a number of strong ligaments. The SIJ’s main function is to provide stability of the entire body therefore it does not offer much movement (about 3-5 degrees) or range of motion. However, it is important that this joint functions properly as any dysfunction can cause pain due to placing a lot of stress on the joint and lead to wearing of the cartilage of the SI joints and arthritis.


  • Sharp pain
  • Stabbing pain
  • Shooting pain
  • Joint redness
  • Joint swelling
  • Joint tenderness
  • Joint warmth
  • Limping
  • Locking of the joint
  • Loss of range of motion of the joint
  • Stiffness and weakness


It is important to remember there are multiple important structures involved in the support and movement of the sacroiliac joints. Therefore, it is important to get this looked at ASAP. SIJ-D can be successfully treated by a Myotherapist and the recovery time is generally quick.

If you’re currently feeling pain in any area of your body, it is important to reduce any activities that aggravate your pain. Book yourself an appointment because most conditions can be treated quickly if they are diagnosed at the early stages.

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