慢性踝关节不稳定患者单腿落地时的关节运动模式与感知到的不稳定性之间的关系

IF 16.4 1区 化学 Q1 CHEMISTRY, MULTIDISCIPLINARY
Kentaro Watanabe , Yuta Koshino , Kosumi Nakagawa , Tomoya Ishida , Satoshi Kasahara , Mina Samukawa , Harukazu Tohyama
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引用次数: 0

摘要

背景感知不稳是慢性踝关节不稳患者的主要症状。然而,着地时关节运动学之间的关系仍不清楚。因此,我们研究了慢性踝关节不稳定患者的着地运动学与感知不稳定性之间的关系。方法 在 32 名慢性踝关节不稳定患者中,我们记录了单腿落地时的踝关节、膝关节和髋关节角度。使用两种方法将初始接触前后 200 毫秒内的关节角度波形总结为单一值:关节角度峰值和通过主成分分析得出的主成分得分。利用斯皮尔曼等级相关系数(ρ),我们研究了关节角度峰值和主成分得分与坎伯兰踝关节不稳定性工具得分的关系,得分越低表明感知的不稳定性越高(α = 0.05)。研究结果踝关节角度在水平面和矢状面的第二主成分得分与坎伯兰踝关节不稳定性工具得分有显著相关性(水平面:ρ = 0.507,P = 0.003;矢状面:ρ = -0.359,P = 0.044)。这些分数表明着陆前后角度大小的差异。显著的相关性表明,着地前较小的内旋和跖屈以及着地后较小的外旋和背屈与较大的感知不稳定性相关。相比之下,关节角度峰值与坎伯兰踝关节不稳定性工具评分没有相关性(P >0.05)。在患有慢性踝关节不稳定性的个体中,着陆时与感知不稳定性相关的踝关节运动可能是着陆前的一种保护策略,但也可能导致着陆后的踝关节不稳定性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The relationship between joint kinematic patterns during single-leg drop landing and perceived instability in individuals with chronic ankle instability

Background

Perceived instability is a primary symptom among individuals with chronic ankle instability. However, the relationship between joint kinematics during landing remains unclear. Therefore, we investigated the relationships between landing kinematics and perceived instability in individuals with chronic ankle instability.

Methods

In 32 individuals with chronic ankle instability, we recorded ankle, knee, and hip joint angles during a single-leg drop landing. Joint angle waveforms during 200 ms before and after initial contact were summarized into single values using two methods: peak joint angles and principal component scores via principal component analysis. Using Spearman's rank correlation coefficient (ρ), we examined the relationships of peak joint angles and principal component scores with the Cumberland Ankle Instability Tool score, with a lower score indicating a greater perceived instability (α = 0.05).

Findings

The second principal component scores of ankle angle in the horizontal and sagittal planes significantly correlated with the Cumberland Ankle Instability Tool score (Horizontal: ρ = 0.507, P = 0.003; Sagittal: ρ = −0.359, P = 0.044). These scores indicated the differences in the magnitude of angles before and after landing. Significant correlations indicated a greater perceived instability correlated with smaller internal rotation and plantarflexion before landing and smaller external rotation and dorsiflexion after landing. In contrast, no peak joint angles correlated with the Cumberland Ankle Instability Tool score (P > 0.05).

Interpretation

In individuals with chronic ankle instability, ankle movements during landing associated with perceived instability may be a protective strategy before landing and potentially cause ankle instability after landing.

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来源期刊
Accounts of Chemical Research
Accounts of Chemical Research 化学-化学综合
CiteScore
31.40
自引率
1.10%
发文量
312
审稿时长
2 months
期刊介绍: Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.
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