Shoulder impingement is a really broad term that is used too often. It has become such a commonly used junk term, such as “patellofemoral pain.”
Unfortunately, the use of such a broad term as a diagnosis is not helpful to determine the treatment process. There is no magical “shoulder impingement protocol” that you can pull out of your notebook and apply to a specific person.
I wish it were that simple.
To make the treatment process for shoulder impingement a little more simple, there are 3 things that I typically consider to classify and differentiate shoulder impingement.