Figure 9.

An example case from Group II, Case 38 in Table 1: 5 years old boy with left brachial plexus palsy. (a), (b) Anterior views of the patient while performing abduction of his both arms. Preoperative abduction degree is 110° and external rotation degree is 24°. (c) Anterior postoperative view of the patient while performing abduction. (d) Lateral postoperative view of the patient while placing his hand at the nape of his neck. Postoperative abduction degree is 170° and external rotation degree is 90°.