Popsugar Fitness Workouts Dumbbell Exercises These Are the 50 Most Effective Dumbbell Exercises (Plus 3 Video Workouts) June 23, 2018 by Jenny Sugar View On One Page Photo 40 of 53 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 WorkoutsButt ExercisesBack ExercisesDumbbell WorkoutsInner Thigh ExercisesArm ExercisesAb ExercisesLeg Exercises