The 41 Hardest Ab Exercises

Believe you're bad-to-the-bone - or that you have a no-nonsense? Demonstrate it! These 41 waist damaging moves are the absolute most progressive on the planet. They'll help fortify your middle from an assortment of points and in an assortment of ways so you'll be prepared for every one of the developments started by your center - which is just about each move you make!