The Medicine Ball Strength Workout That'll Leave You and Your Gym BFF Dripping

"This exercise engages your legs, glutes, and core," Andy said. "For this movement, try to keep your partner going and on pace."

• Start in a lunge position with each knee at 90 degrees.
• Explosively push up out of the lunge, jumping in the air and switching your front foot with your back foot.
• Drop into a lunge with control, and repeat the movement with your opposite leg.
• Complete 10 reps on each leg.