Fitness and Workout Tips 2017 : This treadmill workout has speed intervals for a greater calorie burn in 20 minu… October 17, 2017, 10:25 pm 1.9k Views Fitness and Workout Tips 2017 Illustration Description This treadmill workout has speed intervals for a greater calorie burn in 20 minutes than you would from an easy/moderate pace for an hour! 19 shares
