Why Do Sternum Crack?

Calcification of the cartilage associated with the sternum is an accumulation of calcium deposits in that area. The calcified calcium can result in small shards that wear away at the joints, breaking down cartilage. This wearing down of the cartilage can cause the popping sound you may be hearing.

Is it normal for your sternum to crack?

A popping or cracking sound in the sternum is generally not a cause for concern. However, anyone who wonders about the cause may wish to see a doctor. This is especially important when any other symptoms, such as pain or swelling, accompany the sound. These may indicate an injury or another health issue in the area.

Why do they crack chest?

A resuscitative thoracotomy (sometimes referred to as an emergency department thoracotomy (EDT), trauma thoracotomy or, colloquially, as "cracking the chest") is a thoracotomy performed to resuscitate a major trauma patient who has sustained severe thoracic or abdominal trauma and who has entered cardiac arrest because ...