Figure 4.

Basic implant-related parameters pertaining to reversed shoulder arthroplasty in the coronal and axial plane. (A)1. Glenoid baseplate peg length; 2. Glenoid baseplate tilt in relation to the supraspinatus fossa as described by (41); 3. Glenoid baseplate diameter; 4. Glenosphere diameter; 5. Humeral neck cut angle; 6. Polyethylene tray type (inlay/onlay) and thickness; 7. Humeral stem type in relation to the anatomical axis of the humerus as described by (11). (B) Glenoid baseplate version in relation to Friedman’s line.