There are 12 thoracic vertebrae in the thoracic region. There are 5 lumbar vertebrae in the lumbar region. There are 5 sacral vertebrae, which are fused as one bone and known as the sacrum, in the ...

L5-S1 is the exact spot where the lumbar spine ends and the sacral spine begins. The lumbosacral joint connects these bones.

In particular, they make a much stronger connection between the hips and their backbone, and they do that by converting some of their vertebrae into a special modified structure called the sacrum that ...

where the last lumbar vertebra may take on characteristics of the sacral vertebrae. This condition can be associated with various spinal issues, including low back pain and degenerative changes in ...

New research confirms that sacral nerve stimulation is a feasible ... for overactive bladder is hypothesized to correct deficient spinal inhibitory signals, which would suppress detrusor ...