Neer and Foster posterior capsulorrhaphy for posterior shoulder subluxation. A, Saber cut skin incision just posterior to acromioclavicular joint toward posterior axillary fold. B, Deltoid muscle is split in line with fibers beginning 2–3 cm medial to posterolateral corner of acromion. C, Exposure of underlying infraspinatus and teres minor muscles. SEE TECHNIQUE 47.9.