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LINK 4: Arizona State University's 2008 published study in the National Strength & Conditioning Research Journal below shows VertiMax was six times (X6) more effective developing explosive leg power than traditional plyometrics.  The study was based on a 12 week study using 40 Division 1 collegiate athletes.  Use the navigation buttons to see all five pages of the study.  We have highlighted (in yellow) the areas of interest on each page of the study.  Highlighted areas on pages 1, 2, 4 and specifically page 5 are important to read.  Click here to download the PDF file of the ASU study.