Each facet joint is connected to a capsular ligament. The cauda equina is a fanning bundle of lumbar and sacral nerve roots exiting the spinal cord. The cordtypically terminates at the L1-L2 level ...
Ligaments and muscles connect these vertebrae, and a disc separates most of the vertebrae and acts like a cushion to absorb shock along the spine. Each vertebra is numbered and grouped into 5 regions.
The answer is, that it is a degenerative or age-related process where gradual changes happen to spinal bone and ligaments as time progresses, which is similar to changes that happen in other bones ...
Other causes include hardening of the posterior longitudinal ligament or the ligamentum flavum, which are soft tissue bands that normally help support the cervical spine. Sometimes people are born ...