Figure 4

A, Arthroscopic view through the posterior portal showing articular-side tear of the subscapularis tendon (c) and a small bony fragment (a) B, When the arm was internally rotated, the small bony fragment was trapped between the humeral head (b) and the scapular glenoid C, Arthroscopic excision of the bony fragment D, Arthroscopic repair of the subscapularis tendon.