Facet Joint Injections

A Facet Joint Injection (also known as a zygapophysial joint block) is performed to determine whether a facet joint is a source of pain. Facet joints are located on the back of the spine, where one vertebra slightly overlaps another. These joints guide and restrict the spine's movement.

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A facet joint injection is a precise diagnostic tool that also provides excellent therapeutic results. Using fluoroscopic (x-ray) guidance, physicians are able to see and accurately target the affected joint(s).