This is the fourth most effective ab exercise according to American Council on Exercise’s study to determine the most effective ab exercises. The following videos demonstrate how to do this exercise.
you can go here for more info on how to do this exercise
http://exercise.about.com/od/abs/ss/abexercises_4.htm
Best Six Pack Abs Training Book with lots of workout routines to get six pack abs efficiently with great meal / diet plans to cut those extra calories and get awesome six pack abs.

Other Posts in Abdominal Exercises Category
- Ab Crunches Exercise Demo
- Ab Rocker Demo
- Ab Scissors Exercise Demo
- Ab Torture Workout by Zuzana
- Ab Wheel - How to Use Ab wheel
- Cable Kneeling Crunch Video Demo
- Captain's Chair Leg Raise Exercise Video
- How to do Stability Ball Abdominal Crunch
- Long Arm Crunch Demo
- Lying Trunk Rotation video demo
- Torso Track Ab Exercise Demo
- Twisting Crunch Video Demo
