Inverted Abs

They're called inverted abs because unless of raising your arms, your head and your shoulders, in this abs, you'll have to raise your legs and your pelvis. In this exercise you have to lie down on the floor with your hands and arms in full contact with the floor positioned aside of you completly straight and then you have to curve your legs and with the impulse of your legs you have to raise your pelvis about 1 feet of the ground.

Details: Use a folded towel or a gymnastics carpet under your back or you may hurt your spine. Remember to keep your legs always curved and never raise your hands and arms of the ground and also remember not to lie down your head.