A jump kick is a type of kick in certain martial arts and in martial-arts based gymnastics, with the particularity that the kick is delivered mid-air, specifically moving ("flying") into the target after a running start to gain forward momentum. In this sense, a "Jump kick" is a special case of a flying kick, any kick delivered in mid-air, i.e. with neither foot touching the ground.
Flying and jump kicks are taught in certain Asian martial arts, such as karate, kenpo, kalarippayattu, kung fu and taekwondo. (Full article...)