If you're looking to strengthen your shoulders and upper back, then you've come to the right place. One of the most effective exercises for this area is known as the "overhead shrug". By mastering the proper technique for this exercise, you can improve your posture, increase your shoulder stability, and enhance your overall upper body strength.  It is a relatively simple exercise that involves lifting a weight overhead and then shrugging your shoulders up towards your ears. While it may seem like a basic movement, there are a few key factors to keep in mind in order to maximize its...