Each vertebra is numbered and grouped into 5 regions. Diagram. There are 7 cervical vertebrae in the cervical region. There are 12 thoracic vertebrae in the thoracic region. There are 5 lumbar ...

The upper cervical spine, specifically, is the top vertebrae of the spine. It is made up of the atlas (C1) and the axis (C2). These vertebrae are atypical and are different in shape and function ...