Using a treadmill can be a great workout, providing you don't use it like these people in this video collection of funny treadmill accidents.
If you're going to use one please don't copy any of these people and rather use this killer treadmill workout to get you going. Just remember - no exercise balls on the treadmill, no hopping and always wait until it has stopped before you get off and you should avoid some of the situations these people found themselves in:
(Health24, June 2012)
3 fat-busting cardio workouts