Let’s face it: big trap muscles (a.k.a. the trapezius) get noticed. As longtime bodybuilders will tell you, the best way to develop these big, physique-defining muscles is to perform standing dumbbell shrugs—simple motions that, when done correctly, can pay major muscle dividends.
But as with any exercise, doing the same shrug over and over will earn you diminishing returns. Try these 5 variations, too, and watch yourself transform into trapzilla.