The sternum, or breastbone, is the flat bone where the ribs meet. Sometimes, the joints can pop or crack as a person stretches or moves. A muscle spasm, an injury, costochondritis, and surgery are ...

The sternum, or breastbone, is a long, flat bone in the center of the chest, says Kaiser Permanente. It connects to the ribs via cartilage, and together the sternum and ribs protect the organs in the ...

The sternum, or breastbone, is a long, flat bone in the center of the chest, says Kaiser Permanente. It connects to the ribs via cartilage, and together, the sternum and ribs protect the organs in the ...

‌‌The sternum – sometimes called the breastbone – is the flat bone in the center of your chest. Your ribs and collarbone connect to your sternum. A break in your sternum is also known as a sternal ...