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.
This exercise teaches you to hold the shoulder girdle rigid to avoid strength leaks in pressing lifts. It strengthens the front delts, rotator cuff, and even the lats.