By Eric Cressey
Call me a traditionalist, but I still love using prone (on the stomach) drills to teach good scapular (shoulder blade) control. However, we never teach these drills face-down on the floor. Check out today’s video to learn why:
If you’re looking for a detailed tutorial on how to perform this exercise off a table, give this a watch:
Source: http://www.ericcressey.com/steer-clear-of-this-shoulder-health-exercise