http://ping.fm/9zdWk Doing just one single workout of crunches will not aid you get six pack abs quick. You will have to be more focused and specific about your workouts and diets. You can much capture suggestions from your physician about opting for this. He can tell you best about the capacity of your body and what to do and what not to do. There are human beings who guarantee you to get six pack abs very soon in 3 to 4 weeks.