A 55 year old man had a significant motor vehicle accident 10 years previously. He has bouts of severe, chronic low back pain and at times his back is completely locked up and he may need to walk in a very stooped manner.

A detailed explanation of a sacroiliac joint block and his tremendous response to the block is illustrated.

[An extended and more comprehensive version of this video clip including interviews with the patient and his family about the impact that the pain has had on their lives is available in the clip titled "Sacroiliac Joint Injection - Extended"]