Learn how to improve your vertical leaps in 8 weeks for volleyball or any other sport with the number 1 leap training system on the market right now. Our Vert Shock review is complete, accurate and leaves no rocks unturned. In only 8 weeks, you'll read about ways to improve your vertical leap. We're talking adding up to 9 - 15 inches! Adam Folker and partner Justin 'Jus Fly' Darlington put this system together with the novice or experienced athlete in mind. But don't listen to us over here at the UI Planet... Check it out for yourself.