The key to sculpting abdominal muscles is to reduce body fat. If body fat does not drop below 10%, "washboard" will not appear. You can do thousands of sit-ups, but if there's a thick layer of fat covering your abs, you'll never see them. At this time, you should adjust your diet to see if you are consuming too many calories every day, and increase your daily aerobic exercise time. Some people have never done sit-ups, but have excellent abdominal muscles. The reason is that they are lean .
