for maximum looksmaxxing potential, don’t even train triceps. you ideally want your biceps to be large, and your shoulders to be wider than your triceps. (from a front angle) your triceps will get as much activation as they need while you’re working your chest the left physique is clearly the better look. if you train your triceps too much, yes you’ll have large arms from a side profile, but you’ll end up looking like the right image.