The traps need focused retraction and depression work to prevent imbalances. For this exercise, start in the regular seated row position while making sure the back is arched and the chest pushed up.
From here, squeeze the shoulder blades together and hold for several seconds. By focusing on pushing the chest up and out, the shoulder blades are more easily depressed.
Ah, the elusive art of abs. These days, the "lift shirt and crunch" has replaced flexed biceps as the choice method for proving that you are, indeed, a studly man-beast. Despite this latest "muscle of the moment" craze, Americans are getting fatter. Want to know the secret reason? Okay, I'll tell you...but this is just between you and me, deal?