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Related Experiment Video

Updated: May 18, 2026

Rat Model of Adhesive Capsulitis of the Shoulder

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Published on: September 28, 2018

Anatomic study of the glenoid labrum.

Y Hata¹, Y Nakatsuchi, S Saitoh

¹Department of Orthopaedic Surgery, Shinshu University School of Medicine, Matsumoto, Japan.

Journal of Shoulder and Elbow Surgery

|September 14, 2012

Summary

This study examined the glenoid labrum in older adults, finding its size doesn't correlate with glenoid size. The anterior and inferior labrum portions were largest, potentially enhancing shoulder stability.

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Last Updated: May 18, 2026

Rat Model of Adhesive Capsulitis of the Shoulder

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Published on: September 28, 2018

Measuring 3D In-vivo Shoulder Kinematics using Biplanar Videoradiography

Measuring 3D In-vivo Shoulder Kinematics using Biplanar Videoradiography

Published on: March 12, 2021

Area of Science:

Orthopedics
Anatomy
Geriatric Medicine

Background:

The glenoid labrum is crucial for shoulder joint stability.
Understanding its anatomical variations in aging populations is important for clinical practice.

Purpose of the Study:

To investigate the anatomical characteristics of the glenoid labrum in elderly cadavers.
To determine the relationship between glenoid size and labral size.

Main Methods:

Dissection of 31 shoulder joints from cadavers (mean age 78.5 years).
Measurement of glenoid and labrum dimensions using calipers.
Analysis of size correlations and regional variations.

Main Results:

No significant correlation was found between the overall size of the glenoid and the glenoid labrum.
Larger labral portions tended to be larger in other areas as well.
The anterior and inferior portions of the glenoid labrum were the largest.

Conclusions:

Glenoid labrum size is not directly proportional to glenoid cavity size in the elderly.
The prominent anterior and inferior labrum may play a role in stabilizing the shoulder in these directions.