jalita54
FitDay Member
Last Activity: 11-28-2015 04:34 PM
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- Jacob Hiller is the author of jump manual review, which is a vertical jump program published on the internet. He is not new to the jump industry. In fact, he has been there for the past ten years with experience of training various athletes from different backgrounds. Ranging from field athletes, college athletes to professional dunkers, Jacob Hiller has coached them through exercises so that they can improve on their jumping heights.