The burpee (aka "squat thrust") is a full body exercise used in strength training and as aerobic exercise. It is performed in four steps, and was originally known as a "four-count Burpee":

1. Begin in a standing position.
2. Drop into a squat position with your hands on the ground. (count 1)
3. Extend your feet back in one quick motion to assume the front plank position. (count 2)
4. Return to the squat position in one quick motion. (count 3)
5. Return to standing position. (count 4)