These are :-
http://www.youtube.com/watch?v=3fU_8kJeXeE
btw,im not following any diet ... =S

questions is ... following these exercises will i've perfect abs or i need to lose fat and lifting some weights
i've been doing these exercises for abt 10 days , 3 time per day ( 50 reps) each exercise and i notices some changes in abs