In bodybuilding, the common use of muscle isolation leads to an increased rate of muscular adhesion. This can cause an increase in intramuscular scar tissue.
The presence of scar tissue is a precursor to decreased movement capacity and overall dysfunction. You must take your mobility and soft tissue quality into your own hands, literally.
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?