The abdominal region consists of several muscle groups working together: the rectus abdominis (the “six-pack” muscles), the obliques (side abdominal muscles), and the transverse abdominis (the ...

This exercise engages the entire abdominal region and helps burn fat while building muscle definition. How to Do It: Start in ...

These brain regions also interact with the brain's "top-down" circuits that inhibit pain signaling from other parts of the body. Opioid medications are sometimes used to treat chronic abdominal pain.