The target of the needle for L1–L4 medial branch is the groove ... The use of facet median nerve branch radiofrequency ablation (RFA) for cervical, thoracic and lumbar vertebrae is common ...

The use of facet median nerve branch radiofrequency ablation (RFA) for cervical, thoracic and lumbar vertebrae is common but more randomized, double-blinded control studies are needed in this area.