best ab workout

[buno67]

what are some of the best ab workouts you guys know, i need some new ideas

[HeadHoncho91]

http://exercise.about.com/od/abs/ss/abexercises.htm

[HeadHoncho91]

http://www.shapefit.com/abs-exercises-side-jackknifes.html

[Bako Lifter]

Just do 1,000 sit ups.

[Mr. D]

http://www.elitefts.com/documents/thrash_your_abs.htm