Inclusion Criteria:  Aged ≥40 years to < 85 years Confirmed diagnosis of partial or full-thickness cuff tear on MRI (Cases) OR absence of rotator cuff tear on shoulder MRI (Controls) Ability and willingness to provide informed consent Ability to complete questionnaires in English (to maintain scientific integrity since standardized questionnaires are extensively validated in English)  Exclusion Criteria:  Acute rotator cuff tear caused by a severe trauma