HOW: Place one foot on top of a box in front of you. Using only your front leg, drive through the box to explosively propel your body up. Scissor your legs in the air and land softly with your opposite foot on the box. Immediately perform the next rep, alternating legs throughout the set.
WHY: After performing the strength move of this contrast contrast set, you'll perform Step-Ups to teach your glutes, quads and hamstrings to forcefully contract and generate explosive movement.
Sets/Reps/Recovery: 4×6 each leg, 90 seconds rest before next superset
Photo Credit: Getty Images // Thinkstock