Rotator Cuff Repair With Arthroscopic Acromioplasty (Shaving the Acromion Bone) Versus Repair Without Acromioplasty

Inclusion Criteria * Age 18 years or older * Diagnosis of full-thickness rotator cuff tear * Ability to understand and adhere to rehab protocols and testing procedure * Persistent pain and functional disability for at least 6 months and failure of 6 months of conservative treatment Exclusion Criteria Preoperative * Evidence of significant osteoarthritis or cartilage damage in the shoulder * Evidence of glenohumeral instability including Bankart lesions and labral tears of any type * Previous surgeries of the shoulder * Evidence of major joint trauma, infection, or necrosis in the shoulder * Patients with partial-thickness tears of the rotator cuff * Patients unable to provide informed consent due to language barrier or mental status * Patients with a major medical condition that would affect quality of life and influence the results of the study * Patients with worker compensation claims * Patients unwilling to be followed for the duration of the study. Patient is automatically ineligible for study if 1 or more exclusion criteria is present.