You can build a bigger chest without lifting a single barbell or dumbbell. You won't even need to go to the gym. When paired with a stronger, muscular back, having big pectorals will encourage you to have better posture, as well as making you look taller by adding height to your chest wall. Nailing your bench press and press-ups (among others) will also result in bigger, stronger triceps too. And, as you should know by now, the bigger the triceps, the bigger your arms will appear. ~ Berceste