Popsugar Health & Fitness Strength Training Best Dumbbell Exercises The Ultimate Beginner's Guide to the 50+ Best Dumbbell Exercises 10 April 2018 by Jenny Sugar View On One Page Photo 40 of 54 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 40 Plank and Straight-Arm Kickback Start in a plank position holding a dumbbell in each hand. Open your feet wider than hip width for a stronger base of support. Lift your left arm behind you as high as you can. Bring the left arm back into plank to complete one rep. Previous Next Start Slideshow Strength TrainingWorkouts