Hurts like hell --> No Pain No Gain Fat Burning Ab Exercises. Burn fat and slim down while toning up your abs and strengthening your core. Repeat the circuit once or twice more. Click the image to see the moves in GIF form.
Finding a fast easy work out you can do fast will help motivate you to keep doing it, most people claim they have no time, here it a solution! Finding a fast workout you can burn calories without burning time.