Many conditions can cause pain in the sternum, including injuries, pneumonia, bronchitis, and costochondritis. Gastrointestinal problems, such as acid reflux, can cause pain behind the sternum. People ...

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 ...

There are two main types of chest wall deformity: pectus carinatum, or pigeon chest, and pectus excavatum, or funnel chest. The former pushes out; the latter sinks in. Though there can be a genetic ...

‌‌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 ...