The lumbar vertebrae are the largest movable bones of the backbone. Their large size and bone strength is necessary because these vertebrae support more weight than the upper two segments of the ...

The spinal cord is a long bundle of nerves and cells that extends from the lower portion of the brain to the lower back. Spinal cord functions include carrying signals between the brain and the rest ...

Doctors can use MRI to examine a person’s lower spine, lumbar region, and surrounding tissues. MRI of the spine can show spinal alignment, lumbar disk herniation, inflammation, and more. MRI is a ...