What is the architectural design of the vertebral column? The vertebral column in the human beings has a unique design from the front like the building column as it is straight. But when seen from the side, there are curvatures just like the Alphabet ‘S’. In the neck region, the curvature is having convexity (or anterior bend )towards the front side . In the chest curvature is the opposite i.e. at behind, same the curvature is in from in stomach region. Knowledge of this curvature is important in postural backache