Table 1.

Grading of shoulder function (Narakas [2] modified):

Grade	Functional status
Poor	No abduction movement and feeling of weightlessness in the limb (MRC 0)
Fair	Stable shoulder without any subluxation but no active movement (MRC I)
Good	Active abduction of < 60 degrees (MRC III) and active external rotation of < 30 degrees
Excellent	Active abduction of > 60 degrees (MRC IV) and active external rotation of > 30 degrees.