The Jump Manual is the new way of making a higher vertical leap through standardized workout routines and effective diet. Modern sports science of increasing muscle capacity is so innovative that even basic standards for sports and workout can be boosted through plyometric training. The Jump Manual by Jacob Hiller is a prime example to […]

The Jump Manual is the new way of making a greater vertical leap through standard workout routines and proper diet. Modern sports science of improving muscle capacity is so advanced that even basic standards for sports and workout can be improved through plyometric training. The Jump Manual by Jacob Hiller is a prime example to […]