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Updated: Jun 24, 2026

Reverse Total Shoulder Arthroplasty
Published on: July 5, 2011
Development, Evolution, and Outcomes of More Anatomical Reverse Shoulder Arthroplasty
Pablo Sanchez-Urgelles1, Logan Kolakowski2, Jay M Levin3
1Foundation for Orthopaedic Research and Education, Tampa, FL 33607, USA.
Reverse shoulder arthroplasty (RSA) has evolved significantly since the 1980s. Newer lateralized designs aim to overcome limitations of earlier models, improving outcomes for more patients.
Area of Science:
- Orthopedic surgery
- Biomedical engineering
- Musculoskeletal research
Background:
- Reverse shoulder arthroplasty (RSA) is a common procedure for shoulder joint conditions.
- The original Grammont-style RSA design had limitations like scapular notching and restricted motion.
- Current use of RSA extends beyond its initial indications.
Purpose of the Study:
- To review the evolution of reverse shoulder arthroplasty (RSA) design.
- To discuss the development and benefits of lateralized center of rotation constructs.
- To highlight improvements in patient outcomes with advanced RSA designs.
Main Methods:
- Literature review of RSA design evolution.
- Analysis of Grammont-style RSA limitations.
- Examination of lateralized center of rotation principles.
Main Results:
- RSA design has advanced from the original Grammont style.
- Lateralized center of rotation constructs address previous design flaws.
- Improved anatomical replication and patient outcomes are associated with newer designs.
Conclusions:
- Modern RSA designs offer solutions to the limitations of earlier models.
- Lateralized RSA promotes better functional recovery and patient satisfaction.
- RSA continues to be refined for broader clinical applications and enhanced results.
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