Reverse Shoulder Arthroplasty in Patients Aged Sixty Years Old or Younger: Are we Really Doing the Best?

presented by Paul Grammont in 1987 1 were seen with skepticism, expecially by north american orthopedic surgeons, who continued to prefer shoulder hemiarthroplasty (HA) in cases of eccentric osteoarthritis. Nevertheless, in the last decade, the indications for reverse replacement have widely expanded and finally accepted from most of the orthopedic surgeons. Compared to the early Grammont prostheses, reverse designs have been recently proposed with some biomechanical changes, including lateralizing offset and inferior tilt of the glenosphere to minimize the risk of scapular notching and improve the active range of