14 May /0 Comments/WOD Friday 5/15/15 Trunk Circuit STRENGTH For Time: Side Planks Back Squat 5, 3,3,3,2 100 Double Unders Hyper Holds . 50 Wall Balls Weighted Planks . 40 KB Swings . . 30 Burpees . . 20 Chest to Bar Pull Ups crossfit, tucson