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Patient is positioned in the lateral decubitus position with a lateral distraction device. In this case, the right shoulder is prepped and draped. Markings are made of the bony landmarks including the acromion, clavicle, and coracoid in order to define the locations of the anterior and posterior portals. The posterior viewing portal is positioned just off the posterolateral corner of the acromion, and an anterior rotator interval working portal is made just lateral to the coracoid.
