Answer:
The correct answer is - discography.
Explanation:
Discography is a diagnostic procedure that helps in providing the computed tomography scan of the lumbar region to determine if 1 or more lumbar regions or discs are causing the back pain.
The procedure includes pressurizing discs by injecting a sterile liquid to generate the pain in problematic discs and the scan helps in finding the spine and nerve roots of the spine.
Thus, the correct answer is - discography.