Background: Osteoarthritis is a long-term, chronic disease that is usually marked by cartilage degeneration in the joints, which in turn induces bone friction. One of the subtype of this disease is facet joint osteoarthritis or in short, FJOA. In Indonesia, FJOA has not been commonly documented. The most common method for FJOA inspection is X-Ray modality. The usage of other radiology imagin…