The 5-Minute Workout That’s So Tough We Call It a ‘Death Set’

Calories won’t survive these 5-minute workouts. Will you? This 5-minute workout will bring you to your knees. Unlike the average strength training session where you spend about 15 to 30 seconds working at a time, this routine requires you to work 5 minutes straight. That’s why I call it a “Death Set.” …