The rib cage provides vital protection for the lungs and heart, encasing them in a bony shield. There are 24 ribs in total, 12 on each side of the body. The following are emergency causes of pain ...

The muscles between the ribs relax allowing the rib cage to return to its resting position. The diaphragm relaxes and moves upwards. The volume inside the chest decreases. The pressure inside the ...

The rib cage attaches to the breastbone and spine ... A person may feel pain in the chest that worsens during a deep breath or while taking part in physical activity. Taking pain relievers ...