The xiphoid process is the smallest region of the sternum, or breastbone. It’s made up of cartilage at birth but develops into bone in adulthood. It’s located where the lower ribs attach to the ...

The xiphoid process is a small extension of bone just below the sternum. Straining and heavy lifting can damage the xiphoid process, leading to pain in the lower ribcage, breastbone, and muscles ...