Abstract Background Patients with incomplete recovery from obstetric brachial plexus injury (OBPI) usually develop secondary muscle imbalances and bone deformities at the shoulder joint. Considerable efforts have been made to characterize and correct the glenohumeral deformities. and relatively less emphasis has been placed on the more subtle ones. such as those of the coracoid process. https://bellfordtoysandhobbiers.shop/product-category/wooden-stacking/