Reverse shoulder arthroplasty with a 155° neck-shaft angle inlay implant design without reattachment of the subscapularis tendon results in satisfactory functional internal rotation and no instability: a cohort study.

"Declarations Ethics approval and consent to participateEthical approval was provided by the National Commission on Informatics and Liberty (Commission nationale de l'informatique et des libertés; 3 Place de Fontenoy, TSA 80715, 75334 Paris cedex) under IRB number 2229192. Consent for publicationNot applicable. Competing interestsAAM: this author declares no competing interests. WJP: this author declares no competing interests. GAB: consultancy for Stryker. JJB: consultancy for Medacta. DE: this author declares no competing interests. LL: royalties from Depuy and consultancy for Stryker and Smith and Nephew. TL: consultancy for Depuy, Stryker, and Smith and Nephew. This study received no funding or other forms of support. Competing interests AAM: this author declares no competing interests. WJP: this author declares no competing interests. GAB: consultancy for Stryker. JJB: consultancy for Medacta. DE: this author declares no competing interests. LL: royalties from Depuy and consultancy for Stryker and Smith and Nephew. TL: consultancy for Depuy, Stryker, and Smith and Nephew. This study received no funding or other forms of support."

"Declarations: Ethics approval and consent to participateEthical approval was provided by the National Commission on Informatics and Liberty (Commission nationale de l'informatique et des libertés; 3 Place de Fontenoy, TSA 80715, 75334 Paris cedex) under IRB number 2229192.: Consent for publicationNot applicable.: Competing interestsAAM: this author declares no competing interests. WJP: this author declares no competing interests. GAB: consultancy for Stryker. JJB: consultancy for Medacta. DE: this author declares no competing interests. LL: royalties from Depuy and consultancy for Stryker and Smith and Nephew. TL: consultancy for Depuy, Stryker, and Smith and Nephew. This study received no funding or other forms of support. Competing interests: AAM: this author declares no competing interests. WJP: this author declares no competing interests. GAB: consultancy for Stryker. JJB: consultancy for Medacta. DE: this author declares no competing interests. LL: royalties from Depuy and consultancy for Stryker and Smith and Nephew. TL: consultancy for Depuy, Stryker, and Smith and Nephew. This study received no funding or other forms of support."