incline

A bad day for your ego is a great day for your soul. -Jillian Michaels One of the most popular exercises at the gym is the treadmill. And why wouldn't it be? Whether you're running or walking, it's a great way to get your heart rate up, get your body moving, and for many people, a great way to burn calories. But however you use a treadmill, there's one extremely simple thing you can do to dramatically intensify your workout: incline it! If you're an outdoor walker/runner, this is the equivalent of going uphill instead of over level ground. There are many physiological differences in walking…