Originally Posted by hellothere

i forgot to mention that tight anterior muscles like the pec minor all contribute to that scap instability, because its essentially playing a "tug of war" with your scaps and the stabilizers and posterior muscles. Then the scalenes get involved and its all down hill from there.
In saying that though once u start correcting this and things start settling back into place it has a flow on affect and you get better alot quicker then you thought.