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 ...

People with lumbar spinal stenosis will commonly experience pain when the lumbar spine is extended (bent backward) and relief when the lumbar spine is flexed (curved forward). This is because ...

Pseudoarthrosis occurs when bones don’t heal after a fracture or bone surgery. When pseudoarthrosis affects the cervical or lumbar spine, it means that two vertebrae did not grow together after ...