Acute pancreatitis causes severe upper abdominal pain that radiates to the back ... connecting muscles. These include conditions include: Monitoring pain under the left rib cage is important.

pelvic floor and lower back muscles as well as your diaphragm, your primary respiratory muscle that runs from your rib cage to your lumbar spine. Together, these muscles form a fundamental support ...

Then there's the rib cage and sternum, which protect the heart and lungs. Besides protecting our organs, bones also work together with muscles and tendons to get the body moving. For example ...