Evaluation of Multi-Tined Expandable Electrode (MEE) Efficacy and Safety in Treatment of Lumbar Facet Arthropathy by Radiofrequency Neurotomies Compared to Conservative Medical Management.

RFA will be performed in the usual fashion utilizing the MEE instead of the RFA needles routinely used at each institution.

Conventional medical management (CMM), which may include physical therapy, home exercise programs, pain medication, and other conservative therapies such as back brace, walking aid, and chiropractic care.