Air Alert: The Complete Vertical Jump Program is an amazing jump training program produced by TMT Sports that helps athletes jump 8 to 14 inches higher over a 15 week period. The training progra contains a high quality DV... more »D tutorial on how to jump higher, a 39 page jump training manual, workout and advanced workout charts and measurement charts for recording your progress. The program is recommended for athletes 11 years and older and guarantees that any athlete following the program will jump higher and improve his total game. The program is based on a unique principle of Habitual Jump Training which utilizes 6 specifically designed jumping exercises that help the legs muscles develop the ability to jump instinctually. Once trained, the legs behave almost "Kanagaroo Like" and the ability to jump higher becomes effortless. Air Alert has become one of the most popular training programs on the market and is truly a must for any athlete wishing to elevate his game to another level.« less