RecruitingDevice studyZimmer ActivBraid Rotator Cuff Repair (RCR) StudyWe will enroll up to 65 patients undergoing primary arthroscopic rotator cuff repair (RCR) using ActivBraid™Collagen Co-Braid suture (Zimmer Biomet) and evaluate RCR healing as well as shoulder range of motion, strength, and patient-reported outcomes at 6m, 1y and 2y.