Review of Chronic Low Back Pain of Facet Joint Origin

TL;DRAbstract

Chronic low back pain secondary to involvement of the facet joints is a common problem. Facet joints have been recognized as potential sources of back pain since 1911. Multiple authors have described distributions of pain patterns of facet joint pain. The facet joints are paired diarthrodial articulations between the posterior elements of the adjacent vertebrae. Lumbar facet joints are innervated by medial branches of the dorsal rami of the spinal nerves from the L1 to L4 levels. At L5, the dorsal ramus travels between the ala of the sacrum and its superior articular process and divides into medial and lateral branches at the caudal edge of the process. Each segmental medial branch of the dorsal ramus supplies at least two facet joints. The existence of lumbar facet joint pain claims has a preponderance of evidence, even though there are a few detractors. Multiple studies utilizing controlled diagnostic blocks have established the prevalence of lumbar facet joint involvement in patient

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