(Charles University in Prague, 2nd Faculty of Medicine, Department of Neurology, Prague, Czech Republic Center for Rehabilitation and Treatment of Spine Pain, Prague, Czech Republic Czech Technical University, Faculty of Biomedical Engineering, Kladno, Czech Republic Bridgeland Sport and Spine Center, Calgary, Canada) – Lumbar facet joints (FJ) is a common source of low back pain and contributes approximmately on one third of chronic low back pain. Medial branch radiofrequency neurotomy is considered as a gold standard in the treatment of facet joint pain. Corticosteroid injections have also presented effect in FJ pain.