Department of Orthopaedic Surgery, Asahikawa Medical University, Asahikawa, Japan;
The Upper Extremity Center of Joint Replacement and Endoscopic Surgery, Hokushin Hospital, Sapporo, Japan;
Department of Orthopaedic Surgery, Miyazaki University, Miyazaki, Japan;
Irreparable; Rotator; Cuff; Tear; Cuff; Reconstruction; Cuff; Tear; Arthropathy; Humeral; Head; Replacement; Using; a; Small; Head;