A broken sternum refers to a break in the breastbone — the long, flat bone that’s located in the center of the chest and connected to the ribs via cartilage. It forms the front of the rib cage, ...

Sternum popping can be the result of muscle strain, anxiety, arthritis, or other causes. While a popping sternum isn’t always a cause for concern, consider seeking medical help if it’s accompanied by ...

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 ...