L5-S1 is the exact spot where the lumbar ... a bone area in the back that connects the adjoining parts of the facet joint.

It is composed of transverse processes, facet joints, two pedicles, two laminae, and a spinous process. In the lumbar spine, the bony arch is quite bulky, providing the necessary support for ...

Although the lumbar spine located in the lower back is most commonly affected, the cervical spine of the neck can also be ...