The right way to do sit-ups
Right from the doctor's mouth, this is the proper way to do sit-ups during your work out without injuring yourself. Sit-ups can be very harmful to your body if done in an incorrect fashion. That's why this site explain the way it should be done. The site also explains how sit-ups do not magically remove flub for the beer gut, but tone the muscles in the area. With this site and a proper diete you should be looking better in no time.
>> http://www.physsportsmed.com/issues/1997/06jun/sit_up.htm