From: Assessment of abduction motion in patients with rotator cuff tears: an analysis based on inertial sensors
Surface placement
Humerus
Scapula
Axis
Motion
Mean (95%IC)
X
FL-EX
38.0 (16.17–59.85)
ME-LA rotation
4.57 (1.87–7.28)
Y
IN-EX
77.56 (48.18–106.92)
PR-RE
12.63 (5.56–19.70)
Z
AB-AD
35.72 (21.12–50.31)
A–P tilt
15.60 (2.33–13.86)