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 ...
A medial branch block is an injection of a strong local anesthetic on the medial branch nerves that supply the facet joints. The facet joints, also known as the zygapophysial joints, are part of the ...