Popping, Cracking, Clicking Sternum (Breastbone) Location and Causes
A popping or cracking noise emanating from the sternum (breastbone) is usually associated with the joints between the breastbone and ribs. These bones are connected to each other by a length of cartilage (costal cartilage) that extends from the rib and attaches to the sternum. The cartilage of the first seven ribs >> Read More ...