These is a study done comparing Gym workouts and Wii fit workouts. All data is taken from 20 min sessions.

JOGGING

Calories burned: 168.

Peak heart rate: 158 beats per minute.

Average heart rate: 142 bpm.

HULA HOOPS

Calories burned: 140.

Peak heart rate: 125 bpm.

Average heart rate: 117.

More Details HERE