How to Exercise During Winter's Brutal Cold

Sure, school is canceled and you've started referring to a forecast of zero degrees as a heat wave, but the polar vortex doesn't need to disrupt your workout schedule. Exercising outdoors can be safe, even exhilarating, experts and outdoor advocates said.

Chris Tripp bikes a few miles to work every morning in Minneapolis (so far this winter, he's skipped only two days).

"I've ridden in minus 20 and if it's fairly calm it's really not that bad," he said. "On days when it's snowing out and it's not terribly windy and the city is quiet, it gives me time to wind down after work. And in the morning, I get some cardio in and I feel ready to work. My heart rate is up without caffeine; it's a nice bonus." Read more...