One study put the chest muscles, humerus head and biceps head with a barbell bench, the bench press Smith and muscle activity of dumbbell bench press respectively using electromyography. , according to the results of the humerus head and chest activate degrees, dumbbell bench press and barbell bench press, but on the head of biceps activation degree, significantly higher than the rubber dumbbell, barbell? Why?
you need to control more balance of dumbbell, stability and body weight. This is you rarely see a bench player could have developed the cause of the arm. Better control is to use dumbbell training must conditions, and at the same time to activate more muscle fibers is one of the many benefits of using dumbbell training.