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.