North by Northwestern outfitted two intrepid DM dancers with a heart monitor and pedometers to track how much they move during DM. Below, see the heart rate, number of steps taken and calories burned by NBN's sports editor, Kim Alters.
Does 30 hours' worth of dancing help you lose any weight? We chart how many calories former interactive editor Emily Chow burns during DM — as well as how many calories she consumes.