β£Why does humeral head migrates superiorly in presence of massive tear?β£Why is the patient unable to initiate abduction?β£Clinical assessmentβ£Other than RC tear, what can cause superior migration of humerus?β£How do you classify Rotator cuff arthropathy?β£What is CLEER?β£Why must you restore external rotation? How?β£Pre Op invx?β£How do you do RTSA?β£How does the RTSA work?β£Complications of RTSAβ£What is the controversy with subscap repair in RTSA?β£What is the survivorship of RTSA?β£What are the most common reasons for failure in RTSA?β£Where does the implant usually fail?