This article is based on the recent systematic review article which analysed shoulder impingement across a variety of studies WHAT IS SHOULDER IMPINGEMENT? “Shoulder impingement” is something you may hear thrown around at your gym or work, but what does it actually mean? Shoulder impingement, or subacromial impingement describes pain or discomfort associated with the subacromial space. The subacromial space is a small space in the front/top of the shoulder between the acromio