Final answer:
The lumbar puncture is performed in the lower lumbar area of the vertebral column due to its relative safety and easy access to the CSF. The anatomy of the CNS in this area also makes it more favorable for the procedure.
Step-by-step explanation:
The lumbar puncture is performed in the lower lumbar area of the vertebral column because of the relative safety of that location. The lower lumbar area allows for easy access to the cerebrospinal fluid (CSF) and minimizes the risk of damaging vital structures such as the spinal cord. Additionally, the anatomy of the CNS in the lumbar area is more favorable for the procedure compared to other areas of the spine.