By visiting the gym on a regular basis, one can keep the body in good shape. There are different types of exercises available to strengthen muscles in various parts of the body. For strength, performance and complete fitness, core exercises are very important. However, getting stuck at the same core exercises is also a waste of time. You must proceed beyond simple abdominal exercises, to obtain gains from the fitness program. In this video, you can see a fitness therapist making use of a sandbag to complete her core abdominal exercises. The instructor clearly explains what to do and what not to do during this exercise. Such exercises take core fitness exercises to a different level.