Great article!  From personal experience, these two examples of interval training on a treadmill are workouts you may do with a trainer- except today- we're getting the routines for free! I'm going to try one this afternoon.

A great way to burn calories in a small amount of time is to vary the intensity of your workout. This is called interval training and can be an invaluable asset in your healthy life. (Parade.com)

Click here to see both the walking and running interval workouts. I recommend printing them out (make sure the font is BIG) and bringing them to the gym with you.

Parade.com

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