Using dumbbells allows a greater range of motion than using a barbell and this in turn means you can work more of the pec muscles during the exercise. Your pecs are the main muscles targeted by the exercise, but as an added bonus it also works your triceps.

Are presses enough for triceps?

Key Points: The bench press works the lateral head of your triceps well – even better than tricep extensions. The bench press does not work the long and medial head of your triceps well – but tricep extensions do. Combine bench pressing with tricep extensions to work all heads of your triceps.

Do chest presses work triceps?

The chest press is a classic upper-body strengthening exercise that works your pectorals (chest), deltoids (shoulders), and triceps (arms). For the best results and safety, it's essential that you use proper form and good technique.