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Surgical and Radiologic Anatomy

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01-03-2020 | Original Article

Morphological features of the posterior oblique ligament of the ulnar collateral ligament of the elbow joint

Authors: S. Shimizu, M. Edama, M. Ikezu, K. Matsuzawa, F. Kaneko, I. Kageyama

Published in: Surgical and Radiologic Anatomy | Issue 3/2020

Abstract

Purpose

The purpose of this basic research study was to clarify the morphological characteristics of the posterior oblique fibers (POL) of the ulnar collateral ligament using a large number of specimens.

Methods

This study examined 50 arms from 25 Japanese cadavers. Type classification was performed by focusing on the positional relationship between POL morphology and the joint capsule. The morphological features measured were fiber bundle length, width, and thickness.

Results

The POL was classified as follows: Type I, the POL’s anterior and posterior edges are located on the surface of the joint capsule and can be separated as a single fiber bundle; Type II-a, the POL anterior edge can be separated, but the posterior edge cannot be separated; Type II-b, the POL posterior edge can be separated, but the anterior edge cannot be separated; and Type III, the POL cannot be separated from the joint capsule. Type I was seen in 23 elbows (46%), Type II-a in 6 elbows (12%), Type II-b in 7 elbows (14%), and Type III in 14 elbows (28%).

Conclusion

The results of this study suggested that the POL could be classified into an independent type and an unclear type, and the presence of the unclear type was one of the factors that caused morphological variation.

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Title: Morphological features of the posterior oblique ligament of the ulnar collateral ligament of the elbow joint
Authors: S. Shimizu
M. Edama
M. Ikezu
K. Matsuzawa
F. Kaneko
I. Kageyama
Publication date: 01-03-2020
Publisher: Springer Paris
Published in: Surgical and Radiologic Anatomy / Issue 3/2020
Print ISSN: 0930-1038
Electronic ISSN: 1279-8517
DOI: https://doi.org/10.1007/s00276-020-02423-9

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Morphological features of the posterior oblique ligament of the ulnar collateral ligament of the elbow joint

Abstract

Purpose

Methods

Results

Conclusion

At a glance: The ONWARDS insulin icodec trials

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusion

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