From: Applied anatomical study on suprascapular nerve protection in reverse total shoulder arthroplasty
∠1 (°)
∠2 (°)
∠3 (°)
∠4 (°)
Mean
27.33
15.17
53.75
21.67
SD
7.96
13.76
16.01
13.27
Min
12.00
− 3.00
26.00
6.00
Max
38.00
76.00
46.00