fitsugar treadmill workout. Totally doable and not overly complicated
Belly-Fat Blaster: Burst Intervals
Interval Treadmill Workout
Walking Interval Workout
Booty blast treadmill workout!--it's harder than you think it is; the incline intervals end up burning your legs like crazy! I also added some jogging speeds in to make it more challenging!
Treadmill Roulette - larger image for printing on blog