training

4 Interval Treadmill Workouts (Effective Speed Training) Interval speed work is the hardest of them all. You often see people do interval workouts on treadmills in gyms. You see them just once a week and they are the ones who run the fastest. Interval training used to be done by elite athletes, now everyone is … Treadmill Workouts Using High Intensity Interval Training ... · One powerful way to improve your treadmill workouts is high-intensity interval training (HIIT). By adding HIIT to your workout plan, you can achieve more gains in aerobic fitness and burn more calories in your workouts.…