In technical terms, your spinal column at the mid and upper back levels is called the thoracic spine. The thoracic spine is comprised of 12 spinal bones connected to and occupying the same level ...

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 ...