Facet joints, or zygapophyseal joints, are true synovial joints in the spine that have been identified as potential pain generators. Medial branch blocks involve the injection of a local anesthetic ...

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 possible ...

Sponsored by Charles Theofilos, M.D. 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 ...

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 ...