Push your body into the anaerobic zone where you will use more oxygen than you breathe in, giving you a higher fat burning workout.
The key is to do as many of these as possible within the time given and really focus on your breathing an hydrating during your rest period between sets.
Stand with your feet slightly apart
Lunge forward with your left foot and lower your knee as close to the floor as you can
Use all your force to jump up in the air
Land with your right leg forward
Drop into the lunge and repeat
Repeat for 60 seconds and allow yourself 1 minute rest time.