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Surgical and Radiologic Anatomy

Published in:

01-09-2015 | Original Article

Length changes of scapholunate interosseous ligament at different wrist positions: an in vivo 3-dimension image study

Authors: Jing Chen, Jun Tan, Jin Bo Tang

Published in: Surgical and Radiologic Anatomy | Issue 7/2015

Abstract

Purpose

The scapholunate interossous ligament (SLIL) has a critical role in maintaining the proper kinematic relationship between the scaphoid and the lunate. We hypothesize that the length of SLIL changes significantly at wrist full extension and during forearm rotation. The aim of this study was to investigate the length changes of SLIL at wrist full extension and forearm rotation in vivo.

Methods

Twelve volunteers were randomly divided to two groups. We obtained computed tomography scans of the wrists at different wrist positions. The three regions of the SLIL were measured and analyzed with computer modeling.

Results

The results showed that from the neutral to full extension of the wrist, the length of volar SLIL and volar, middle portions of the proximal SLIL increased significantly. The volar and proximal SLIL increased significantly in maximal forearm pronation.

Conclusions

The lengths of the volar and proximal regions of SLIL increase substantially at wrist full extension, but only slightly at maximal forearm pronation. Clinically, wrist full extension may make the SLIL ligament vulnerable to disruption.

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Title: Length changes of scapholunate interosseous ligament at different wrist positions: an in vivo 3-dimension image study
Authors: Jing Chen
Jun Tan
Jin Bo Tang
Publication date: 01-09-2015
Publisher: Springer Paris
Published in: Surgical and Radiologic Anatomy / Issue 7/2015
Print ISSN: 0930-1038
Electronic ISSN: 1279-8517
DOI: https://doi.org/10.1007/s00276-014-1414-3

At a glance: The STEP trials

Springer Medicine

Length changes of scapholunate interosseous ligament at different wrist positions: an in vivo 3-dimension image study

Abstract

Purpose

Methods

Results

Conclusions

At a glance: The STEP trials

Springer Medicine

Abstract

Purpose

Methods

Results

Conclusions

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