MedlinePlus Medical Encyclopedia: Lumbar vertebrae

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Lumbar vertebrae

There are 5 lumbar vertebrae located in the lower back. These vertebrae receive the most stress and are the weight-bearing portion of the back. The lumbar vertebrae allow movements such as flexion and extension and some lateral flexion.

Update Date: 4/30/2007

Updated by: Joseph V. Campellone, M.D., Division of Neurology, Cooper University Hospital, Camden, NJ. Review provided by VeriMed Healthcare Network.

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