Christopher M. Aland MD discusses shoulder arthroscopy procedures and positions. Shoulder arthroscopy can be performed in either the beach chair or lateral decubitus position, with recent modifications to both. The lateral decubitus position involves using a standard table with supports for the axilla, head, and sides. The beach chair position uses a standard table with back support and mechanical or manual leg support and head positioning, allowing for conversion to an open procedure or posterior inferior access if needed.