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Erschienen in: Surgical and Radiologic Anatomy 7/2015

01.09.2015 | Original Article

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

verfasst von: Jing Chen, Jun Tan, Jin Bo Tang

Erschienen in: Surgical and Radiologic Anatomy | Ausgabe 7/2015

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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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Metadaten
Titel
Length changes of scapholunate interosseous ligament at different wrist positions: an in vivo 3-dimension image study
verfasst von
Jing Chen
Jun Tan
Jin Bo Tang
Publikationsdatum
01.09.2015
Verlag
Springer Paris
Erschienen in
Surgical and Radiologic Anatomy / Ausgabe 7/2015
Print ISSN: 0930-1038
Elektronische ISSN: 1279-8517
DOI
https://doi.org/10.1007/s00276-014-1414-3

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