Open decompression of spinoglenoid notch. A, Oblique incision starting 4 cm medial to posterolateral corner of acromion. B, Exposure of notch after splitting deltoid and retracting the infraspinatus inferiorly. C, Spinoglenoid ligament is released. (Redrawn from Piasecki DP, Romeo AA, Bach BR Jr, Nicholson GP: Suprascapular neuropathy, J Am Acad Orthop Surg 17[11]:665–676, 2009.) SEE TECHNIQUE 46.9.