Back-to-back exercises and minimal rest will keep your heart rate up and calorie burn high in this intense upper-body weightlifting workout

Build stronger legs and a leaner, more defined body by first lifting heavy and then powering through high-intensity cardio in this fat-incinerating combo workout.

You’ll alternate between classic weightlifting and high-intensity cardio in this heart-pounding interval workout that targets your shoulders and arms while helping you burn fat all over.

Work your entire body in this all-out cardio meltdown designed to burn massive amounts of calories and increase muscle definition in around 20 minutes.