One of the first things most guys want when they step foot in the gym? A bigger chest. They want to turn heads at the beach, fill out a t-shirt, and have something to flex when they hug their girl.

When you buy through links on our articles, Future and its syndication partners may earn a commission. Credit: Getty Images There’s a reason why ‘international chest day’ is on a Monday, because a lot ...

THE CHEST IS a muscle group that takes up a great deal of attention for physique-minded guys. If you pause a moment to think about why, you won't need long to figure out the appeal of chest-pumping ...