The thoracic spine is comprised of 12 spinal bones connected to and occupying the same level in your body as your 12 pairs of ribs. In fact, the thoracic spine works with the ribs to create a ...

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 ...