Our abdominal muscles are rarely broken; rather, their weakness is a reflection of how little we use our entire body. Whether you have diastasis recti, a hernia, are postnatal, or simply have a very weak midsection-this is the definitive whole-body guide to restoring your core Abdominal muscles have many important jobs; twisting the spine safely, accommodating pregnancy, protecting your abdominal organs, and even breathing are...