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 ...

Medial branch blocks involve the injection of a local anesthetic agent to diagnose low back pain from facet joints. The injection can also serve as a prognostic tool before radiofrequency ablation.

It is not common for pain to get worse after a medial branch block (MBB). However, this could happen if there are complications during the procedure that result in nerve damage. It is also ...

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 ...