When animals fatten up and slow down for the winter months, it's so they'll be able to survive during a time when they're unable to hunt or gather. While we humans can't use the same excuse, we do tend to put on extra weight during cold weather [source: Casey]. And a lack of time spent outdoors is a prime reason.
Once the temperatures get warmer, you may want to be more active but you worry your work schedule will keep you indoors. Fortunately, there are a number of ways you can head outside for a workout while you're still at the office.
And pretty soon, your excuses for not staying fit will melt away like the snow.