“Filthy Fifty”For Time:50 Box Jumps (24/20 in)50 Jumping Pull-Ups50 Kettlebell Swings (35/26)50 Walking Lunge Steps50 Knees-to-Elbows50 Push Presses (45/35 lb)50 Back Extensions50 Wall Ball Shots (20/14 lb)50 Burpees50 Double-Unders