Fig 2.

To perform an arthroscopic rotator cuff repair in supine position the arm can be fixed on a limb positioner to allow control of traction, forward elevation, abduction and rotation during the whole surgery. Bony landmarks can be marked on the skin the help the surgeon during the procedure. The surgery starts with the arthroscope introduced in the lateral portal to provide a direct view of the tear. An anterior and lateral portal (yellow cross) can be used to pass the suture for the anchor positioning and to tie the knots. An anterior portal (red cross) can be used as a waiting portal to prevent the entangling of the threads. The anterior and inferior aspect of the patient's body is given.