Lumbar Spondylosis refers to a collection of degenerative disorders that can lead to low back pain as people age. The main causes are Internal disc disruption, Degenerative disc disease and Segmental instability. The intervertebral disc is made up mostly of water. This allows it to maintain its cushion-like properties. As people age, the intervertebral disc loses some of its water content. As this happens, the outer layers of the disc are more likely to develop cracks or tears. These can be a significant source of low back pain. This is the beginning of internal disc disruption. When the outer layer of the disc cracks, the disc looses its normal water content. This reduces its ability to act as a cushion for the loads applied to the spine. Symptoms include chronic low back pain which is often made worse with sitting or bending forward. Pain is persistent and lasts longer than six weeks.