Time your after-work exercise today by doing an interval style workout. A couple minutes of high intensity broken up by a minute of rest. This type of workout will blast calories not only during but also long after your workout. Bonus- less time for the same benefits! Use a Gymboss Interval Timers (offical site) or a heart rate monitor to track your time. Try out this simple 30 minute interval program that can be done either on a treadmill, on a track or around your neighborhood. As the minutes fly by, so will the calories. enJOY!!