Abs Exercises that are supposed to be better than cruches

http://www.womenshealthmag.com/fitness/abs-exercises

So I been reading up on how cruches are outdated as not only some exercises are more effective; but crunches may also not be the safest exercise to do for your body. In order to get a strong core and flatter abs, we need to work it out; but I think finding which exercise is better is important.

I am learning along with everyone else when it comes to fitness.