The Bicep The bicep muscle is a two-headed muscle that help your arms to lift things up. The bicep is probably the most popular muscle on the human body. For a man it can be a point of vanity when he has developed his biceps and can flex them and show them off. There is something satisfying to one self if he can bend his arm and make these muscles pop up into a big ball. Something that says yes, I’m a man. The bicep muscles are just a small portion of the total muscles in a b