The Treadmill Mistake You're Probably Making

03/24/2015 12:02pm ET | Updated March 24, 2015
Healthy young woman in GYM running on treadmill

One of the greatest perks of running on a treadmill is being able to train on an incline that you can adjust. But, not all treadmill runners take advantage of this feature, and those who do may not be doing it right.