“Filthy Fifty” Complete for Time: 50 Box Jumps (24/20) 50 Jumping Pull-ups 50 Kb Swings (35/25) 50 Walking Lunges 50 Knees to Elbows 50 Push Presses (45/35) 50 Back Extensions 50 Wall Ball Shots (20/14) 50 Burpees 50 Double Unders Related Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)