Popsugar Fitness Workouts Dumbbell Workout Videos 50 Fun and Challenging Dumbbell Workout Videos — All in 1 Place! April 10, 2020 by Jenny Sugar View On One Page Photo 26 of 50 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 26 Boost Your Metabolism in Just 20 Minutes Make the most of your next sweat sesh with this 20-minute metabolism booster that keeps your heart rate up to burn calories while building lean muscle. Previous Next Start Slideshow WorkoutsStrength TrainingIntermediate WorkoutsDumbbell Workouts