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 ...

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 ...

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, ...