Grade | Joint description |
0 | Flail shoulder. |
I | Abduction = 45˚, no active external rotation. |
II | Abduction < 90˚, no active external rotation. |
III | Abduction = 90˚, active external rotation < 30˚. |
IV | Abduction < 120˚, active external rotation 10˚ to 30˚. |
V | Abduction > 120˚, active external rotation 30˚ to 60˚. |
VI | Normal shoulder. |