Funny, I just posted on this in a FB group yesterday. Forget the rack pulls, barbell shrugs and other ego lifts. These are all you need to grow massive traps:
Upright Rows (w/ ez-curl bar)
Cleans
DB Shrugs Yates style
Yates on how to properly perform DB shrugs:
For this routine, start with a relatively lightweight warm-up set of 12 repetitions. Begin by standing upright with the dumbbells hanging at your sides and your shoulders straight — not hunched forward or pulled back. Pull your shoulders up as high as possible, as if you were trying to pin them against your ears. Rotate your shoulders back, squeezing the traps in the process, and then lower the shoulders back to the starting position. I find that keeping my chin tucked into my chest helps to achieve maximum contraction of the trapezius muscles. After the warm-up set, I usually launch into a single working set of 10-12 reps with a heavier weight. Then, when I don’t have the strength to perform another full rep, I start knocking out half — and even quarter — reps, until I can’t possibly move the weight another inch.
A note of caution: do not attempt to keep your arms perfectly straight. Locking your elbows can put severe stress on your joints and lead to injury. If your elbows bend a little as you raise the dumbbells, so be it. If you can bend them enough to turn the movement into a dumbbell raise, it’s an indication that you need heavier weights.