Question: what is the difference between a true ribs and a floating rib?
Answer: Medical Definition of Floating rib A rib is said to be "floating" if it does not attach to the sternum (the breast bone) or to another rib. ... The 12 pairs of ribs consist of: True ribs: The first seven ribs attach to the sternum (the breast bone) in the front and are known as true (or sternal) ribs.