Burpees

Squat, plank, and vertical leaps using nothing but your body weight done for the benefit of full body exercise. 

Do as many as you can, rest 1 minute and repeat for 3 sets.

1. Drop down into a squat position with your hands on the ground.
2. Push feet back in a quick motion for a front plank position.
3. Go back to the squat position in a quick motion.
4. Return back to your upright position.
5. Repeat to failure.