The Sacroiliac joint is formed by the meeting of the sacrum and the two innominate bones (pelvis bones), held by very strong ligaments. These joints support the weight of the whole spine as well as transferring force upwards from the lower extremities.
Sacroiliac dysfunction is a common cause of lower back pain.
SIJ dysfunction can cause;
Pain may be dull or sharp around the sacrum and buttock and may cause restriction in movement.
Pain may radiate into the back or your thighs, groin and lower back and can replicate Sciatica
Common causes are;
- Pregnancy
- Injury and twisting trauma
- Postural problems
- Arthritis
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