The Jump Manual by Jacob Hiller is, in general, a vertical jump program. Jacob is among the world's top trainer who has educated and trained every person from high school and university athletes to NBA players and certified dunkers.
With more than ten years of training expertise packed into his jump manual, it is no doubt a very powerful program that ensures roughly 10 inches of minimum gain in just 3 months. The Jump Manual pdf is most effective as it targets each and every jumping facet, thus preparing you to jump higher in a reasonable amount of time.
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