This is an excerpt from NSCA's Essentials of Sport Science by NSCA -National Strength & Conditioning Association, Duncan N. French & Lorena Torres-Ronda.
Historically, patients who undergo reverse total shoulder arthroplasty/ replacement (rTSA) procedures receive much stricter activity limitations for sports and resistance training endeavors in comparison to the traditional total shoulder arthroplasty/replacement. This may cause confusion amongst personal trainers about safety as it relates to designing resistance training programs for these patients.