The plyometric depth jump uses a box for positioning and landing techniques that will help someone to jump higher. Use the plyometric depth jump to jump higher with tips from a sports-performance director in this free athletics video on track and field. Expert: Les Whitley Contact: www.velocitysp.com/coolsprings Bio: Les Whitley is director of Velocity Sports Performance in Franklin, Tennessee. He has a degree in exercise science. Filmmaker: Tim Brown