Fig. 2

a Arthroscopic RCR was performed. A 2.8 mm all-suture anchor was inserted to the upper part of the intertubercular groove (arrow), and to examine the anchor settling, the area surrounding the anchor was given the debridement using radiofrequency (arrowhead); b the insertion of the anchor to the intertubercular groove is shown on the immediate post-operative MRI (arrow)