Here is another quick, training-movement based differential diagnostic test for the overhead squat. We get a ton of athletes in that have enough overhead shoulder range, but have terrible capacity to keep their torso upright at the bottom of the squat. Here is a quick way to figure out if it is really your shoulders that are holding you back. Chances are you need more of everything, but don’t forget to work downstream as you solve movement problems. You are a system of systems. As it turns out, they all have to work.