[The reverse shoulder arthroplasty]

The reverse shoulder arthroplasty indications are cuff tears arthropaty, revision of anatomic prosthesis and traumatology. The reverse shoulder arthroplasty doesn't need a rotator cuff integrity to be functional. However, complications are not rare (dislocation, descellement, infection...). The patient selection has to be rigorous. In any case, patient must be older than seventy years.