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Related Concept Videos

Muscles of the Shoulder01:23

Muscles of the Shoulder

The muscles surrounding the shoulder girdle, including the clavicle and scapula, primarily stabilize the scapula. This stable base allows other muscles to move the humerus effectively. Scapular movements often mirror those of the humerus and extend its range of motion. For instance, raising the arm above the head would not be feasible without simultaneous upward rotation of the scapula.
Anterior Thoracic Muscles
The anterior thoracic muscles include the serratus anterior, subclavius, and...

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Updated: Jul 4, 2026

Reverse Total Shoulder Arthroplasty
10:10

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Published on: July 5, 2011

Scapular notching in reverse shoulder arthroplasty.

Christophe Lévigne1, Pascal Boileau, Luc Favard

  • 1Clinique du Parc, Lyon, France. c.levigne@cliniqueduparclyon.fr

Journal of Shoulder and Elbow Surgery
|June 19, 2008
PubMed
Summary
This summary is machine-generated.

Scapular notching after reverse shoulder arthroplasty (RSA) affects 62% of patients. Factors like surgical approach and baseplate positioning significantly influence notching occurrence, impacting implant longevity.

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Area of Science:

  • Orthopedic Surgery
  • Biomedical Engineering

Background:

  • Scapular notching is a known complication following reverse shoulder arthroplasty (RSA).
  • Understanding its causes is crucial for improving long-term outcomes.

Purpose of the Study:

  • To investigate the causes and consequences of scapular notching after RSA.
  • To identify risk factors associated with its development.

Main Methods:

  • Retrospective analysis of 337 RSAs (326 patients) performed between 1991 and 2003.
  • Evaluation of patient data, surgical approaches, and radiographic findings at average 47-month follow-up.

Main Results:

  • 62% of patients exhibited scapular notching.
  • Notching correlated with longer follow-up, cuff tear arthropathy, infraspinatus fatty infiltration, narrowed acromiohumeral distance, superior glenoid orientation, anterosuperior approach, and radiolucencies.
  • Baseplate positioning was a significant factor.

Conclusions:

  • Scapular notching is common after RSA and linked to various patient and surgical factors.
  • Avoiding high baseplate positioning and superior tilting is essential to minimize notching.