We all want a toned, flat stomach. No surprise there. But since many women are still relying on crunches to get it, we want to make one thing clear: Crunching is not the most effective abs workout. "Crunches work only the muscles on the front and sides of your abdomen, but it's important to target all the muscles of the core to get more defined abs—including lower back, hips, and upper thighs
Getting rid of your belly bulge is important for more than just vanity's sake. Excess abdominal fat—particularly visceral fat, the kind that surrounds your organs and puffs your stomach into a "beer gut"—is a predictor of heart disease, type 2 diabetes, insulin resistance, and some cancers. If diet and exercise haven't done much to reduce your pooch, then your hormones, your age, and other genetic factors may be the reason why. Read possible reasons why your belly fat won't budge.