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 9 of 50 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 9 Possibly Our Most Challenging Workout Yet! 30-Minute HIIT With Weights You up for a serious challenge? Then try this calorie-torching HIIT workout from Equinox trainer Anja Garcia. Previous Next Start Slideshow WorkoutsStrength TrainingIntermediate WorkoutsDumbbell Workouts