Mark Tauber, Peter Habermeyer, Nikolaus Zumbansen & Frank Martetschläger Obere Extremität Schulter · Ellenbogen Background The bony morphology of the acromion is well known to determine mechanical outlet impingement and represents a risk factor for the development of rotator cuff tear (RCT; [4, 18]). In 1986, Bigliani et al. [4] introduced [...]