Popsugar Health & Fitness Arm Workouts Exercises to Look Good in Tank Tops 8 Exercises That Will Give You Sleek, Beautiful Arms, Just in Time For Summer 21 March 2018 by Michael De Medeiros View On One Page Photo 4 of 8 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 4 Superset 2, Exercise 2: Skull Crusher Lie face up on a flat bench or mat with your dumbbells in hand. Begin with your straight up in the air keeping a slight bend in your elbows. Only bending at the elbows, lower the weights down toward the sides of your head. The weighs will end up close to your ears. Press the weights back up to starting position. Previous Next Start Slideshow Arm WorkoutsBeginner WorkoutsArm ExercisesStrength TrainingWorkouts