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 ...

From top to bottom, these are: The cervical spine (the neck) – the first seven vertabrae located just below the skull The thoracic spine – the 12 vertabrae of the upper back The lumbar spine – the ...

The position of the clavicles may be variable. The present study was carried out to determine whether the body of the first thoracic vertebra should be used instead of the clavicles because its ...