What are some good ab exercising routines?

Hi, While sit-ups can be a great abdominal exercise, there is a certain technique to performing sit-ups to shape your abs. It is easy to get irritated by an abdominal workout routine that doesn't produce noticeable results. Many people believe that simply doing sit-ups, if they perform enough, will give them body builder abs that are shapely and well defined. and well defined. You need to understand, when doing an abdominal exercise, is not what exercises to do, but how you do them. Many people simply go through the motions when doing sit-ups and other ab exercise, and increase the number of reps over time and notice little difference. In order to get your stomach to be truly flat, you must train your muscles to assume this shape. To achieve flat abs, you must tighten your stomach muscles while doing your ab workout. Before you begin doing this ab exercise, suck your stomach in as if you were tucking in your shirt and tighten your stomach muscles. Continue to keep your muscles tight ...  more