At-Home Fitness: 10 Easy Ab Moves For A Bikini Body Before Summer Ends

Reverse crunches—yes, they're actually a thing! To do a reverse crunch, you pull your butt and legs up and off the floor, holding them in the air, then return back to the ground. You can do this with a medicine ball, weighted ball, or without any extras. The reverse crunch targets that stubborn lower portion of your abs. [Photo via]