Popsugar Health & Fitness Dumbbell Workouts 20-Minute Upper-Body Dumbbell and Bodyweight Workout Grab a Pair of Dumbbells and See How Effective a 20-Minute Workout Can Be! 30 August 2021 by Jenny Sugar View On One Page Photo 1 of 6 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 1 Bicep Curl Stand with your feet hip-distance apart, holding a dumbbell in each hand at the sides of your body. Keeping your elbows close to your ribs, bend your elbows and slowly raise the dumbbells to your shoulders. Moving with control, lower back to the starting position. This counts as one rep. Keep going for 45 seconds, followed by a 15-second rest. Previous Next Start Slideshow Dumbbell WorkoutsBodyweight Exercises20-Minute WorkoutsHome WorkoutsArm WorkoutsIntermediate WorkoutsArm ExercisesStrength TrainingWorkouts