BMA vs Cortisone for Glenohumeral Osteoarthritis

Patients randomized to receive this study intervention will undergo one ultrasound guided 80mg Depo Medrol GHJ injection

Patients randomized to receive this study intervention will have, under sterile conditions and after injection of local anesthetic, 10 mls of bone marrow aspirate taken from the posterior superior iliac spine and injected under ultrasound guidance to the glenohumeral joint