A lumbar puncture is a test to check the fluid that circulates around the brain and spinal cord. This is called the cerebrospinal fluid or CSF. A lumbar puncture can check for cancer cells or for ...

Medically reviewed by Jennifer Steinhoff, MDThe lumbar spine includes the five vertebrae in your lower back numbered L1 to L5 ...

Lumbar herniated nucleus pulposus (HNP) and lumbar spinal stenosis (LSS ... A brief overview of lumbar functional anatomy is presented.