Because each lumbar facet joint is innervated by two medial branches of the primary dorsal ramus, both must be anesthetized to completely block a single joint. For example, to block the L4-L5 facet ...

Facetogenic pain, also known as zygapophysial joint pain, is a frequent cause of mechanical spine pain. Diagnostic blocks (for example, medial branch blocks [MBBs]) are the only reliable approach to ...

Back pain is the most common complaint in a pain management clinic. This review discusses use of RFA for back pain including facetogenic pain, including cervical and lumbar pain due to sacroiliac (SI) ...