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I have been training with Jentzen for around three months. I play club volleyball and wanted to increase my vertical jump and lateral speed. In the first 2 weeks of training I increased my vertical by 2 inches and it has since increased at an average rate of 2 inches every two weeks.  My vertical started at 11 inches and is now 21 inches.  As for lateral speed, I am getting to my blocking pins easier and faster allowing me to get more blocks.  This is one of the best decisions I have made to increase my volleyball skills and make me an overall better player.  Jentzen makes it fun and enjoyable to train, and he is very encouraging and motivating.


Darby Schwaner,