The mechanics of the collateral ligaments in the metacarpophalangeal joints: A scoping review

Q3 Medicine Morphologie Pub Date : 2024-02-29 DOI:10.1016/j.morpho.2024.100770

P. Boccolari , F. Pantaleoni , R. Tedeschi , D. Donati

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Abstract

Background

The metacarpophalangeal (MCP) joint's collateral ligaments have been extensively debated, with no clear consensus on their mechanics. Understanding their function is crucial for comprehending joint movement and stability.

Methods

A thorough search was conducted across databases, including PubMed, Scopus, Cochrane library and grey literature. A total of 59 articles were identified, and after rigorous evaluation, six articles were included in the review.

Results

The analysis underscores two principal findings. Firstly, the principal and accessory collateral ligaments exhibit consistent tension influenced by the MCP joint's position. This tension varies across different sections of the ligaments. Secondly, the ligaments’ interaction with the joint structure plays a pivotal role in defining the range of motion of the joint.

Conclusion

Preliminary findings from this review indicate that MCP joint collateral ligament tension varies with joint position. Increased tension in the principal collateral ligament during flexion and isometric behavior of its volar portion in extension are observed. The accessory ligament may tighten during extension. The shape of the metacarpal head appears to influence this tension. These insights, while informative, call for further detailed research to deepen our understanding of MCP joint mechanics.

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掌指关节副韧带的力学原理：范围综述

背景掌指关节（MCP）的副韧带一直备受争议，人们对其力学机制尚未达成明确共识。方法在PubMed、Scopus、Cochrane图书馆和灰色文献等数据库中进行了全面检索。结果分析强调了两个主要发现。首先，主副韧带受 MCP 关节位置的影响表现出一致的张力。这种张力在韧带的不同部分有所不同。第二，韧带与关节结构之间的相互作用在确定关节活动范围方面起着关键作用。主副韧带在屈曲时张力增加，在伸展时其侧部分呈等长行为。副韧带在伸展时可能会收紧。掌骨头的形状似乎会影响这种张力。这些见解虽然具有参考价值，但仍需要进一步的详细研究，以加深我们对 MCP 关节力学的理解。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Morphologie Medicine-Anatomy

CiteScore

2.30

自引率

0.00%

发文量

150

审稿时长

25 days

期刊介绍： Morphologie est une revue universitaire avec une ouverture médicale qui sa adresse aux enseignants, aux étudiants, aux chercheurs et aux cliniciens en anatomie et en morphologie. Vous y trouverez les développements les plus actuels de votre spécialité, en France comme a international. Le objectif de Morphologie est d?offrir des lectures privilégiées sous forme de revues générales, d?articles originaux, de mises au point didactiques et de revues de la littérature, qui permettront notamment aux enseignants de optimiser leurs cours et aux spécialistes d?enrichir leurs connaissances.