A new study proves that the horizontal mambo can burn more calories than some workouts. In the name of science, one staffer puts it to the test.
by Jessica Knoll
Despite the fact that sex is an activity generally done lying down, a new study out of the University of Quebec in Montreal found that it's actually a respectable calorie burner. As a rare hybrid of gym rat and lazy sloth, I am all for trying to combine a workout with things I do in my warm, comfy bed. Jessica Matthews, exercise physiologist for the American Council on Exercise, confirmed it's possible. "Sex can burn 3 to 4.5 calories a minute and more, depending on how vigorous it is," she told me. Oh, it would be vigorous. Armed with goodies like the Forerunner 220 (the latest fitness watch from those geniuses at Garmin) and my "workout partner," aka my husband, Greg, I decided to go for the burn.
First up, arms. I cranked out three sets of 10 push-ups while on oral duty, pausing between sets to