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Sacroiliac Joint pain

You have two sacroiliac joints (SI for short) either side of your lower lumbar spine.  They are located 2-3 inches to the side of the spine at the level of your belt/pants. If you feel carefully here you will feel a distinct bump - this is part of the pelvis bone, the PSIS, which forms one side of the joint. If it hurts here there is a very good chance your pain could be comming from the SI joint. The SI joints move forwards and backwards as you walk, go to get up or down into a siting position along with a little twisting clockwise or anticlockwise motion at the same time. Just like the facet joints the SI joints can lock up all of a sudden or gradually over time.


These SI joints are a frequent cause of back pain, both acute and chronic, but also they can give rise to buttock and leg pains- thereby mimicking sciatica. We frequently find patients get diagnosed as having 'a trapped sciatic nerve' and get treated for this when in fact it is the SI joint to blame. (which requires a different treatment approach). The treatment of locked SI joints is very similar to that of the facet joints.