We Dare You to Attempt This Super-Intense Core Exercise



Plank jack: You know performing planks is one of the best ways to light up those abs. But let us introduce you to the plank’s sassy sister: the plank jack. This exercise packs some serious attitude and abs-sculpting power. Crank these out for a stronger six pack—stat. (Work even more towards your abs #goals with these moves from the Women’s Health Look Better Naked DVD).

Check out Women’s Health’s FitGIF Friday every week for fun and challenging new moves to make your sweat sesh really count. Here’s this week’s exercise:

FitGIF Plank jackPhotograph by Jenn Pena; Alyssa Zolna