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Table 2 Grading of elbow function (Waikakul et al [11] modified):

From: Functional outcome of nerve transfer for restoration of shoulder and elbow function in upper brachial plexus injury

Grade

Functional status

Excellent

Ability to lift 2 Kg weight from 0 to 90 degrees of elbow flexion more than 30 times successively.

Good

Ability to lift 2 Kg weight from 0 to 90 degrees of elbow flexion, but less than 30 repetitions successively.

Fair

Motor power more than M3 power but unable to lift a 2 Kg weight.

Poor

Motor power less than M3.