Winter-Proof Your Workout

Cool Ways to Torch Calories

Try these activities for a half hour of sizzling power.

Building a fire: 80 calories*

Having a snowball fight: 96

Ice-skating: 176

Shoveling snow: 192

Skiing (cross-country): 256

Skiing (downhill): 192

Sledding: 224

Snowboarding: 192

*Calories burned are based on a 140-pound woman.