7/19/17Posted on July 19, 2017 by affiliate Filthy Fifty 50 Box Jumps 50 Jumping Pull Ups 50 KBS (35/26) 50 Walking Lunges 50 Knees to Elbows 50 Push Press (45/35) 50 Back Extensions 50 Wallballs 50 Burpees 50 Double Unders