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 ...

Although the xiphoid process is small, it serves as an attachment point for organs and large muscles that make the floor of the diaphragm.

The anterior surface of the xiphoid serves as attachment for a small portion of the rectus abdominis muscle and for the costoxiphoid ligament. Posteriorly, fibers of the diaphragm and transversus ...