Has anyone used or know someone who has used the vertical programs from online. Do they work or is it a waste of money. I trying to dunk before basketball season.
I have used Tim Grover's "Jump Attack". It is a twelve week program and it says that it will increase your vertical 6-14 inches. You are not going to get 14 inches from it, but you will increase it if you work hard at it. At about week eight I was able to barely dunk and by week twelve I was able to throw it down a little easier. Unfortunately, I hurt my foot a few weeks after week twelve and it has not felt better since, but i'm hoping it will get better soon. I am 6'2'' by the way and white.