Treatment of proximal humeral fractures accompanied by medial calcar fractures using fibular autografts: A retrospective, comparative cohort study

Figure 4 Postoperative shoulder joint mobility in a typical case. A: Forward flexion and abduction of the shoulder joint at 12 mo after surgery; B: Adduction and internal rotation of the shoulder joint at 12 mo after surgery; C: Backward extension and external rotation of the shoulder joint at 12 mo after surgery; D: Backward extension and internal rotation of the shoulder joint at 12 mo after surgery.