Static Hold Abs

In this type of abs all you have to do is to stay static. The first impression that people normally has about this abs is that they're easy and doesn't worth they're time. Well, first thing, this abs aren't easy because, as we'll see, this abs are one of the only ones that you do until you can handle it anymore. So, to do this abs, the first thing you have to do is to put your elbows and your hands closed on the floor parallel to your body in order to sustain it. Then you'll have to put just your feet on the ground with your body completely straight and your arms doing a 90º angle. Once you are in the position you'll have to hold as much time as you can.

Details: Find something fluffy to put under your elbows and use a stopwatch to count how much time do you hold in that position.