Skip to main content

Advertisement

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