Walking is about the easiest and best exercise there is: it helps with weight loss, strengthens the heart, lungs, and muscles, and as a weight-bearing exercise helps protect against osteoporosis.... But it’s not always easy to walk. Rainy or icy weather, dangerous neighborhoods, and hazardous road conditions can really get in the way of a regular walking regimen.

Here's a way to walk for exercise without even leaving your house. No more excuses!