
In any routine that we make, provided they have weight, this is one that can not miss, is what we call basic exercise, it helps to work the abdomen in its entirety.
Do crunches as you climb the back leaving to take a position round, resists in that position a few seconds and exhale as you return to your starting position.
You can make other combinations of the same exercise, but extends his hands over his head, always remember that you should...