This is not easy none of them but they are working... Get ready to feel the burn, pain and anything else uncomfortable and unpleasant. Uneven Arm Hold with Arm Fly: Jillian Michaels demonstrates one (of four) moves that'll get you strong, sculpted abs
The Best Bikini Abs Workout : Celeb trainer Teddy Bass teaches us how to work the entire torso and all four layers of abdominal muscles to create a sleek midsection. In this 10-minute workout, a variety of planks, roll-ups, and standing ab exercises will give you a complete core workout. Press play, and get ready to feel your belly burn — in a good way, of course!