From: Analysis of in vivo humeral rotation of reverse total shoulder arthroplasty patients during shoulder abduction on the scapular plane with a load
Loaded
Unloaded
Glenohumeral internal rotation
0.53
0.41
Scapular upward rotation
0.28
0.32
Scapular external rotation
0.038
0.064
Scapular postrior tilting
0.24
0.21