Inclusion Criteria:  ≥70 years of age at the time of rotator cuff repair surgery Males and Females Patients surgically treated for rotator cuff injury between 2009 and 2020 at the Shoulder-Elbow Department of the Rizzoli Orthopaedic Institute  Exclusion Criteria:  All available patients will be invited to undergo clinical examination and radiological examination. In case some patients cannot undergo MRI due to possible contraindications, they will still be seen to collect the primary clinical outcome