Increase Your Jump. With many vertical jump programs currently out on the market, it seems that only a few of them really help boost an athletes' jumping ability. The jump machines and jump shoes sold in sports retail shops that athletes and sports enthusiasts purchase provide some varying degrees of success. These so called jump enhancing toys may not be the only answer one can turn to in order to really have a substantial increase in jumping ability. Doing jump exercises in one's own home is much more practical and effective than simply putting your trust in jump machines and jump shoes.