An illustrated guide to the anatomy of the abdominal muscles and how to tone them successfully without injury - Presents the 16 most effective and safest abdominal exercises for great abs - Reveals how common ab exercises, such as crunches, can damage the spine, pelvic floor, diaphragm, and internal organs - Offers tips to get rid of belly fat--both superficial fat and deeper visceral fat Presenting a new type of abdominal exercise program designed with the body's anatomical relationships in mind, Blandine Calais-Germain reveals the 6 underlying principles for working the abs efficiently, 7 exercises to get you ready, and the 16 most effective and safest abdominal exercises for a flat belly. Pointing out that ab exercises are not without risk, she reviews the most common abdominal exercises, such as crunches and leg lifts, and explains how to avoid injury to the neck, lower back, pelvic floor, diaphragm, prostate, and internal organs as well as how to protect these vital structures with appropriate abdominal work. Exploring this often misunderstood region of the body in her trademark anatomical style, Calais-Germain details the muscular structures that make up the abs, revealing that strength alone is not the sole factor in a flat stomach. Including tips to get rid of belly fat--both superficial fat and deeper visceral fat--this book reveals how to get great abs, lose weight, gain strength, and build your core all without hurting yourself.