Blast Fat, Build Strength: 60-Minute Calorie Meltdown

Burn 60 – Reese Witherspoon‘s a fan, and it shows. By combining high-intensity intervals on the treadmill with serious strength work, this 60-minute class targets every muscle group in the body while never letting the heart rate drop. Hard? Yes. Fun? Totally. Unfortunately, to get to an actual class, you need to be in LA.…

A 20-Minute, Calorie-Burning Treadmill Workout

If you only have a short window to spare for a workout, try this challenging 20-minute treadmill routine. Beyond switching up the speed every two minutes, you’ll also be changing the incline, which challenges the body to work even harder. Even after this short cardio session, you’ll feel light, energized, and ready to power through…