Every minute, on the minute, for 32 minutes (8 sets of each):
Minute 1 - 10/7 Calorie Assault Bike + 30-40 Double Unders
Minute 2 - 15-18 Wall Ball Shots (30/20lbs)
Minute 3 - 15-20/10-15 Calories of Ski Erg, Bike Erg or Rowing
Minute 4 - Rest