How To: INSTANTLY JUMP HIGHER! Increase Your Vertical Jump
The Jump Manual is the culmination of 15+ years of scientific research into the most effective exercises, training sequences and techniques. Thousands of average athletes have used it to consistently increase their vertical leap. Now it’s your turn. What Is Jump Manual Workouts? The Jump Manual is a professional vertical leap training program that was created by Jacob Hiller.It’s a full training package that teaches you how to systematically increase your vertical jump and guides you through each step of the…