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 lumbosacral joint, also called L5-S1, is a term used to describe a part of the spine. L5-S1 is the exact spot where the lumbar spine ends and the sacral spine begins. The lumbosacral joint ...

The lumbar spine includes five vertebrae that help with mobility and stability. Lumbar vertebrae are larger because they carry the load from your head down to the lower spine. The lumbar spine has a ...

Herniation may occur anywhere along the spine but most commonly in the lumbar region, usually between the fifth lumbar and first sacral vertebrae (L5-S1). The usual cause is degeneration of the ...

The spine, or backbone, is a long column of bones that runs down the center of a person’s back. It is essential for many functions, such as movement, support, and protecting the spinal cord. A ...

Lumbar retrolisthesis is when parts of your backbone are slipping backward on one another. Although this condition generally causes few symptoms, there’s evidence that lumbar retrolisthesis can lead ...

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 ...

Everyone experiences some sort of lower back pain or discomfort. It’s best not to ignore these common but sometimes debilitating aches and pains. Your lower back consists of five vertebrae, labeled L1 ...