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Related Experiment Video

Updated: Jun 18, 2026

Reverse Total Shoulder Arthroplasty
10:10

Reverse Total Shoulder Arthroplasty

Published on: July 5, 2011

Inconsistencies in Terminology Used to Describe Reverse Shoulder Arthroplasty: A Systematic Review.

Jean-David Werthel1, Jules Descamps2, Elyette Lugo3

  • 1Hôpital Ambroise Paré, 9 avenue Charles de Gaulle, 92100 Boulogne-Billancourt, France.

Journal of Shoulder and Elbow Surgery
|June 16, 2026
PubMed
Summary

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Terminology for reverse total shoulder arthroplasty (rTSA) implant design is inconsistent, hindering study comparisons. Clearer, standardized descriptions are needed for biomechanical parameters in rTSA research.

Area of Science:

  • Orthopedic surgery
  • Biomechanical engineering
  • Medical device design

Background:

  • Reverse total shoulder arthroplasty (rTSA) implant designs have evolved, impacting medialization, lateralization, and center of rotation (COR).
  • Current literature lacks consistent terminology for rTSA design and configuration, limiting cross-study comparability.

Purpose of the Study:

  • To systematically review how rTSA implant design and configuration are reported in peer-reviewed literature.
  • To analyze the consistency and clarity of reporting for key rTSA design parameters.

Main Methods:

  • Systematic review of studies published after 2015 in MEDLINE, EMBASE, and CENTRAL.
  • Data extraction focused on implant identification, COR position, glenoid/humeral offsets, and design classification.
Keywords:
Implant geometrycenter of rotationlateral offsetmedializationprosthesis designreporting standards

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Related Experiment Videos

Last Updated: Jun 18, 2026

Reverse Total Shoulder Arthroplasty
10:10

Reverse Total Shoulder Arthroplasty

Published on: July 5, 2011

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve
09:51

The Transition to an Anterior-Based Muscle Sparing Approach Improves Early Postoperative Function but is Associated with a Learning Curve

Published on: September 7, 2022

  • Descriptive statistics were used to summarize reporting patterns.

    • Main Results:

    • While COR position was mentioned in 72.8% of studies, only 19.4% clearly defined it.
    • Glenoid and humeral lateral offsets were explicitly described in 39.3% and 46.6% of studies, respectively.
    • Over 32% of studies lacked clear design classification, and 53% did not specify the origin of lateralization.

    Conclusions:

    • Significant inconsistency exists in reporting rTSA implant design and configuration.
    • Key biomechanical parameters are often reported without clear, quantitative definitions, impeding interpretation.
    • Future consensus efforts are recommended to establish standardized terminology for rTSA design reporting.