Friday by | Dec 21, 2012 | Workout of the Day Friday Dec. 21 2012 For time: 50 Box jumps (24/20) 50 Jumping pull-ups 50 Kettlebell swings (24k/16k) 50 Walking Lunge steps 50 Knees to elbows 50 Push press (45/33) 50 Back extensions 50 Wall ball shots (20/14) 50 Burpees 50 Double unders