Lumbar Region: Definition and Anatomy - [Your Website Name]

The medical term for the lower back region is "lumbar". It refers to the area of the spine and its associated structures located in the lower portion of the back. The lumbar region is composed of five vertebrae numbered L1 to L5, starting from the top of the lower back to the bottom. This region supports the upper body and is essential for movement, flexibility, and overall structural stability.