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Updated: Jul 19, 2026
10:07
Measurement of Dynamic Scapular Kinematics Using an Acromion Marker Cluster to Minimize Skin Movement Artifact
Published on: February 10, 2015
The pillars of the scapula
Anne Karelse1, Lore Kegels, Lieven De Wilde
1Department of Orthopedic Surgery, Physical Medicine and Rehabilitation, Ghent University Hospital, Gent, Belgium. anne.karelse@scarlet.be
Clinical Anatomy (New York, N.Y.)
|October 31, 2006
Summary
Researchers identified two new bony pillars in the scapula for improved glenoid component fixation in total shoulder replacement surgery. These anatomical landmarks offer enhanced stability, crucial for revision procedures and long-term implant success.
Area of Science:
- Orthopedic Surgery
- Anatomy
- Biomedical Engineering
Background:
- Total shoulder replacement effectively manages glenohumeral arthritis pain and improves function.
- Glenoid component loosening is a primary reason for revision surgery, especially with significant bone defects.
- Current glenoid fixation methods are limited by the scapula's small size and morphology.
Purpose of the Study:
- To identify anatomical landmarks on the scapula for enhanced glenoid component fixation.
- To investigate bony pillars that could improve prosthetic design and stability.
- To provide anatomical data for developing superior fixation strategies in shoulder arthroplasty.
Main Methods:
- Anatomical dissection of 40 cadaveric shoulders (mean age 86 years).
- Identification and characterization of bony pillars related to the glenoid cavity.
- Three-dimensional localization and measurement of identified bony pillars.
Main Results:
- Two consistent bony pillars were identified in all dissected scapulae.
- These pillars are surgically accessible and possess unique anatomical characteristics.
- Their location and orientation relative to the glenoid rim were precisely defined.
Conclusions:
- The identified bony pillars represent novel anatomical landmarks for glenoid fixation.
- These findings can guide the development of next-generation prosthetic designs for improved implant stability.
- Enhanced fixation through these pillars may reduce glenoid loosening and revision rates.
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