Jumphigher

How to Jump Higher in 45 minutes
A comprehensive approach to adding instant inches to your vertical

Is it really possible to improve your vertical instantly?
Short answer … yes, if it weren’t possible to effectively implement the
following methods and to yield results, I’d be writing about something else
that was effective!
Short term improvements will be based on your ability to use the strength and
speed you already have efficiently, rather than building new speed and
strength which takes time.
Moreover, I have received hundreds of testimonials on these techniques
alone, as well as garnering the interest and attention of some of the world’s
greatest athletes, magazines, and sporting organization.