“…Good visualization of the subscapularis tendon and footprint of lesser tuberosity is crucial to receive the desired anatomical reattachment 7 , 8 ; however, the visualization of the tendon and footprint in the glenohumeral joint and conventional subacromial viewing portal is poor when using a 30° scope. 9 , 10 The intra-articular repair procedure also possesses other shortcomings, such as a narrow working space and restricted surgical portals, all of which will have a negative impact on outcomes following tendon repair.…”