Step 1 for you is obviously to eat right. You cannot be spending hours doing abdominal exercises and then rendering all that work worthless by eating fast food and unhealthy food. Eat a balanced diet before you set out on exercising your abs. This tip will serve you well, and the ignorance of this will end in you having to work twice as tough to get that six-pack. Read further on abs diet.
Exercise routines for Lower Abs for males and females
Leg Lifts



