Fig. 3From: Practical considerations for determination of scapular internal rotation and its relevance in reverse total shoulder arthroplasty planningVarious landmarks on the A parasagittal, B posterior-lateral C axial and D posterior view. 1: center 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 (trigonum scapulae); 6: inferior angulus; C: coracoid process tipBack to article page