16 Biceps Exercises That Will Get Your Arms Crazy-Sculpted With Just A Pair Of Dumbbells

Have you tried 21s? When you think about working on your biceps strength, you probably default to cranking out biceps curls. But there are so many other incredible moves to target the biceps...you just haven't learned 'em yet! (That's what we're here for.) What are the biceps, exactly? The biceps, …