This exercise not only strengthen endurance, but also improve acceleration explosiveness.
Instructions:
1. In a full sprint moving to laterally your right, quickly step your left foot behind you.
2.Bring the left foot forward, lifting up quickly and moving into in a high knee position. Place your left foot behind you again and continue the drill for 10 yards.
3. Perform a lateral run for 10 yards, focusing on accelerating off the ends of the feet.
4. On command, break out of your lateral run and run forward.