Shoulder Arthroscopic Portals

Posterior (Viewing )

 2 cm medial and posterior to posterolateral corner of Acromion


Anterior

 lateral and inferior to coracoid process


Lateral

 anterior 1/3rd of lateral border of acromion and 2 cm inferior


Additional - Naeviser

                    Anterolateral

                    Posterolateral

                   Anteroinferior

                  Posteroinferior