Building a barrel chest and thick back may be two of your goals, and making the dumbbell pullover a key movement in achieving them. The dumbbell pullover is a unique exercise that is often linked back to the “glory” days of bodybuilding. Bodybuilders like Arnold Schwarzenegger, Ronnie Coleman, and Dorian Yates all used dumbbell pullovers to build serious muscle mass and increase overall upper body strength capacity. ~ Berceste