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 33 of 53 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 33 Overhead Triceps Extensions Stand with your feet hip-distance apart. Hold one dumbbell (go for your heavier weight) with both hands, bending the elbows behind your head. Straighten your arms to lift the dumbbell into the air, then slowly bend the arms to lower. This counts as one rep. Previous Next Start Slideshow WorkoutsButt ExercisesBack ExercisesDumbbell WorkoutsInner Thigh ExercisesArm ExercisesAb ExercisesLeg Exercises