Every minute, on the minute, for 20 minutes (4 sets) of: Station 1 – 15/10 Calories of Assault Bike or Rowing Station 2 – 20 Air Squats + 10 Pull-Ups Station 3 – 20 Kettlebell Swings (24/16) Station 4 – 15 Side to Side Push-Ups Station 5 – 50 sec Prone Plank
