What are exercise calories? In short, exercise calories are the energy you expand during an exercise session. Of course, the more calories you burn during a workout session, the easier it is to lose weight.

But did you know that exercise calories do not have to come from boring exercises?

Here are some fun ways to “earn” your exercise calories from “alternative” exercises.

1. Manually opening that 164-ounce can of SpaghettiOs from Costco.
Calories burned: 10

2. Vigorously karaoke-ing to Jock Jam Anthems: VolumeXII.
Calories burned: 145

3. Wall-mounting a 60-inch plasma-screen TV to watch the high-def DVD of The Sisterhood of the Traveling Pants.
Calories burned: 225

4. Riding a Segway the entire length of a marathon while dressed as a superhero.
Calories burned: 2,000

Note: All calorie counts are based on one hour of performance. [source: Maxim]