The Warriors Isometric Ab Crunch is an incredibly intense Isometric Exercise. In order to do this correctly you need to familiar with the 7 Second Stomach Flattener and the Isometric Breathing technique taught in 7 Seconds to a Perfect Body.
Check out the The Warriors Isometric Ab Crunch below. Try it and let me know how it felt and what you think in the comments below! :-)
And enjoy the burn!