| If the lumbar vertebra is completely anterior to the sacral base, spondylolisthesis has occurred. |
| The transverse process of the seventh vertebra may be bifid, and occasionally the costal process is replaced by a cervical rib. |
| Anterior slippage of the fifth lumbar vertebra on the sacral base can be identified in lateral views. |
| This section passes through the fourth sacral vertebra and sacral hiatus and the os ilium at the sciatic notch. |
| The specific vertebra of the neck that corresponds to the fingers is then adjusted to alleviate the numbness. |
| The lowest lumbar vertebra articulates with the sacrum, and this in turn with the coccyx. |
