 This combines with the 2% impairment of the upper extremity due to weakness in the suprascapular nerve root distribution to produce an 8% impairment of the upper extremity which in turn is a 5% impairment of the whole person based on the AMA Guide to the Evaluation of Permanent Impairment, Fifth Edition, stated with a reasonable degree of medical certainty.
This combines with the 2 % impairment of the upper extremity due to weakness in the suprascapular nerve root distribution to produce an 8 % impairment of the upper extremity which in turn is a 5 % impairment of the whole person based on the AMA Guide to the Evaluation of Permanent Impairment , Fifth Edition , stated with a reasonable degree of medical certainty .