Fig. 5

Examples of axial view of the scapula with A 0° and B 30° anterior tilt. Scapular axis is marked with a red line. An angle was measured from the glenoid center to the trigonum scapulae and to the respective landmark (blue line). 1: midpoint of the glenoid; 2: most apical point located on a perpendicular line from the midpoint between the coracoid process and the angulus acromii; 3: posterior AC-joint; 4: angulus acromii, 5: medial root of scapular spine; 6: inferior angulus