If you want shredded six-pack abs, experts agree that you need to limit your carbohydrate intake, get plenty of sleep and minimize stress. And while you can't spot reduce fat, you can focus your workouts to target muscle groups that can help sculpt your midsection and help your inner washboard shine through. It's important to remember that there's more to abs than just sit-ups. Training your obliques (located on either side of the abdomen between your hip flexors and your lats), will translate to a slimmer, more defined midsection—not to mention a stronger, more stabilized core. It will also land you those lower abdominal V-line cuts that are so lovingly referred to as “sex lines”.