Popsugar Health & Fitness Workouts Beginner Dumbbell Exercises I'm a Trainer, and These Are the 16 Dumbbell Exercises Everyone Should Know 2 October 2018 by Tamara Pridgett View On One Page Photo 7 of 16 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 7 Dumbbell 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 Dumbbell ExercisesTrainer TipsFitness TipsStrength TrainingWorkouts