If it feels like your rib cage is literally expanding during pregnancy, that's because it is — and it can hurt.

You’ve most likely heard of the rib cage. Everyone has one, but what does the rib cage do, exactly? The rib cage is also known as the thoracic cage, and the primary rib cage function is to protect the ...

Floating rib injuries are caused, in part, by a vulnerability in human anatomy. The rib cage, which is made up of 12 pairs of ribs, doesn't fully attach to other bones in the same way at all points.