is a condition characterized by the thickening of the ligamentum flavum, a ligament in the spine that can contribute to lumbar spinal stenosis (LSS). LSS is a narrowing of the spinal canal that ...

Lumbar spondylosis refers to degenerative changes of the lumbar spine. Facet joint hypertrophy, thickening and bulging of the ligamentum flavum, outward bulging of the intervertebral disc ...