Skip to main content

Table 2 Anterior translation of the humeral head from the center of the glenoid fossa at every 20% of the rotation cycle (mean ± SD mm)

From: Translational movement within the glenohumeral joint at different rotation velocities as seen by cine MRI

Movement

Position

 

Low

Medium

High

ER motion

Far ER

0–20%

0.65

±

1.30

0.74

±

1.92

2.62

±

2.19

Near ER

20–40%

0.32

±

2.55

0.60

±

2.03

−0.01

±

1.66

Mid ROM

40–60%

− 0.57

±

1.63

0.05

±

1.78

−0.03

±

1.43

Near IR

60–80%

−0.21

±

1.24

−0.33

±

1.98

−1.17

±

1.44

Far IR

80–100%

−0.67

±

2.00

−0.75

±

2.17

0.30

±

0.62

IR motion

Far IR

100–80%

1.44

±

2.45

0.14

±

2.49

0.93

±

1.85

Near IR

80–60%

0.65

±

1.64

0.31

±

1.42

0.34

±

1.84

Mid ROM

60–40%

−0.65

±

1.84

0.07

±

1.35

−0.15

±

1.37

Near ER

40–20%

−0.46

±

1.49

−0.51

±

1.18

0.31

±

2.67

Far ER

20–0%

0.39

±

1.81

−0.63

±

1.81

−1.51

±

1.60

  1. IR Internal Rotation, ROM Range of Motion, ER External Rotation, 0% Full IR, 100% Full ER