Fig. 13

demonstrates passage of the blue arrow-marked tendon reconstruct deep to intact lateral part of the middle trapezius insertion (defined in while triangle) prior to its passage under the acromion; and also demonstrates anatomic convenience of supraspinatus fossa (defined between yellow lines) for reproduction of supraspinatus muscle function by the transferred middle trapezius tendon in the right shoulder; A, acromion; SS, scapular spine