日本青少年竞技运动员外踝形态异常及其与身体机能的关系横断面研究

IF 2.2 3区医学 Q3 NEUROSCIENCES

Gait & posture Pub Date : 2025-04-03 DOI:10.1016/j.gaitpost.2025.03.009

Honoka Ishihara , Yasunari Ikuta , Noriaki Maeda , Shogo Tsutsumi , Satoshi Arima , Makoto Komiya , Tsubasa Tashiro , Takeru Abekura , Kai Ushio , Yukio Mikami , Takeya Araki , Nobuo Adachi , Yukio Urabe

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引用次数: 0

摘要

背景：在儿童和青少年中，外踝撕裂骨折通常与踝外扭伤（LAS）同时发生，表现为外踝形态异常（ALM）。我们假设ALM引起的踝关节结构改变可能导致动态平衡功能恶化。研究问题：青少年竞技运动员有和没有ALM的身体功能有什么差异，什么因素影响着着地时的动态姿势稳定性，这是与LAS相关的关键身体功能？方法采用横断面研究。在被招募的参与者中，134英尺被归类为非ALM组，而36英尺被分配到ALM组。比较两组患者的足线，包括内侧纵弓和横弓、踝关节背屈运动范围、内在足肌和足底筋膜形态、脚趾屈肌力量和动态姿势稳定指数（DPSI）。此外，采用回归分析确定影响各组动态姿势稳定性的参数。结果ALM组足宽变宽，足弓横向扩展明显，踝关节背屈活动范围减小，足底筋膜增厚，下趾屈肌强度下降，动态姿势稳定性下降（p < 0.05）。多元回归分析显示，两组患者踝关节背屈角减小与DPSI相关，ALM组患者横弓变宽与DPSI相关（p < 0.05）。横弓降低是ALM组的一个特殊特征，与他们的动态姿势不稳定性降低有关。患有ALM的运动员发生LAS的风险更高，因为足部对齐不良和踝关节活动范围有限，导致着陆时减震减少。本研究为运动员身体筛选的关键焦点提供了关键的关键。

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Abnormal lateral malleolus morphology and its association with physical function in Japanese adolescent competitive athletes; Cross-sectional study

Background

Avulsion fractures of the lateral malleolus, detected as abnormal lateral malleolus morphology (ALM), occur concomitantly with lateral ankle sprain (LAS) in children and adolescents. We hypothesized that structural changes in the ankle joint due to ALM may contribute to deterioration in dynamic balance function.

Research question

What are the differences in physical function between competitive adolescent athletes with and without ALM, and what factors influence dynamic postural stability on landing, a critical physical function associated with LAS?

Methods

This is the cross-sectional study. Among the participants enrolled, 134 feet were categorized into a non-ALM group, whereas 36 feet were assigned to the ALM group. Foot alignment including medial longitudinal arch and transvers arch, ankle dorsiflexion range of motion, intrinsic foot muscle and plantar fascia morphology, toe flexor strength, and dynamic postural stability index (DPSI) were compared between the two groups. Additionally, regression analysis was employed to identify parameters influencing the dynamic postural stability in each group.

Results

The ALM group exhibited wider foot widths, more pronounced transverse arch spreads, reduced ankle dorsiflexion range of motion, thickened plantar fascia, lower toe flexor strength, and decreased dynamic postural stability (p<0.05, respectively). Multiple regression analysis indicated that decreased ankle dorsiflexion angle was associated with DPSI in both groups, and the wider transverse arch of ALM group was related to DPSI (p<0.05, respectively).

Significance

The lowered transverse arch emerged as a specific feature of ALM group associated with their decreasing dynamic postural instability. Athletes with ALM may be at higher risk of LAS due to poor foot alignment and limited ankle joint range of motion, leading to reduced shock absorption during landing. This study provides crucial keys for the critical focus regarding the physical screening of athletes.

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来源期刊

Gait & posture 医学-神经科学

CiteScore

4.70

自引率

12.50%

发文量

616

审稿时长

6 months

期刊介绍： Gait & Posture is a vehicle for the publication of up-to-date basic and clinical research on all aspects of locomotion and balance. The topics covered include: Techniques for the measurement of gait and posture, and the standardization of results presentation; Studies of normal and pathological gait; Treatment of gait and postural abnormalities; Biomechanical and theoretical approaches to gait and posture; Mathematical models of joint and muscle mechanics; Neurological and musculoskeletal function in gait and posture; The evolution of upright posture and bipedal locomotion; Adaptations of carrying loads, walking on uneven surfaces, climbing stairs etc; spinal biomechanics only if they are directly related to gait and/or posture and are of general interest to our readers; The effect of aging and development on gait and posture; Psychological and cultural aspects of gait; Patient education.