How to increase vertical for NBA? Helo my name is Rafik and I’m 11 and want to play in the NBA and I am curious what my chance is. I can dribble between the legs four times in a row. I am 5’5” and 87 pounds. I want to increase my vertical so I can dunk by the time I’m 5’7”.  Basketball is my everything. What workouts should I do to increase my vertical. 