It has become increasingly popular to seek to improve your vertical jump.  As a result a lot of Vertical Jump Programs exist to assist people in improving this attribute.  But do the programs work?  The answer is not easy to give.  The facts are that some of the programs give exaggerated claims of improving one’s vertical leap beyond what may be reality.  However, with increased attention and work on this one area of one’s abilities, is no doubt going to bring improvement.  However, our instant gratification type of society always wants more and quickly, at that.  Therefore, if your expectations are within reason some programs will offer the improvement you seek.