10 Ab Exercises

Go to the following website: http://www.fitnessmagazine.com/workout/abs/exercises/top-10-abs-exercises/

In this assignment you are to look at each abdominal exercise slide, read how to correctly perform the ab exercise, and time yourself and do each exercise for 2 minutes. (This is a 20 min workout as well.).

Once completed, write the 3 exercises you think worked your abdominals the best and WHY? Also, write 1 exerciese that did NOT seem to give you a good workout and why?