“Filthy Fifty” 50 Box Jumps (24/20) 50 Jumping Pull Ups 50 Kettlebell Swings, (35/25) Walking Lunge, 50 steps 50 Knees to elbows 50 Push Press (45/35) 50 Back Extensions 50 Wall Ball Shots (20/14) 50 Burpees 50 Double Unders