Lateral Ankle Sprains and Their Association with Physical Function in Young Soccer Players.

IF 1.3 Q3 SPORT SCIENCES Open Access Journal of Sports Medicine Pub Date : 2021-01-12 eCollection Date: 2021-01-01 DOI:10.2147/OAJSM.S283421
Kenichiro Murata, Tsukasa Kumai, Norikazu Hirose
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引用次数: 1

Abstract

Purpose: Lateral ankle sprain (LAS) in childhood can result in lateral malleolus avulsion fractures; additionally, bone nonunion may occur. Physical maturity relates to the development of bone morphology and physical functionality. It is unknown how changes in physical functionality attributable to physical maturity affect young soccer players with abnormal lateral malleolus (ALM) morphology. Hence, the present study aimed to investigate the bone morphology of the lateral malleolus in young soccer players and to examine its relationship with physical functionality at different maturity levels.

Subjects and methods: Two hundred and ninety young soccer players aged 6-15 years were included. The presence of ALM was assessed using ultrasonography. The subjects were allocated to three groups based on physical maturity (Pre-, Mid-, and Post-peak height velocity age [PHVA]). The prevalence of ALM and the relationship between ALM and physical maturity were examined for body composition, foot pressure distribution, foot alignment, ankle mobility, and single-leg balance.

Results: The prevalence of ALM was 17.6%. For physical maturity, the post-PHVA group showed a decrease in ankle dorsiflexion and eversion and an increase in one-leg hop distance compared to the Pre-PHVA group (P < 0.05). In the ALM group, the center of pressure during heel raising was distributed laterally in the Post-PHVA (P < 0.01), and the weight-bearing dorsiflexion angle was decreased in the Mid- and Post-PHVA (P < 0.05).

Conclusion: In the Post-PHVA young soccer players, decreased ankle dorsiflexion and eversion and increased one-leg hop distance were observed. The ALM group exhibited lateral loading during heel raising in the Post-PHVA group and decreased weight-bearing ankle dorsiflexion angle in the Mid- and Post-PHVA groups. The findings indicate the importance of secondary prevention of LAS and ultrasonography. Prospective studies of LAS in young athletes are required in the future.

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青少年足球运动员踝关节外侧扭伤及其与身体机能的关系。
目的:儿童踝关节外侧扭伤可导致外踝撕脱性骨折;此外,还可能发生骨不愈合。身体成熟与骨形态和身体功能的发展有关。目前尚不清楚由于身体成熟导致的身体功能变化如何影响外踝(ALM)形态异常的年轻足球运动员。因此,本研究旨在研究年轻足球运动员外踝的骨形态,并研究其与不同成熟水平的身体功能的关系。对象与方法:选取6 ~ 15岁青少年足球运动员290名。采用超声检查评估ALM的存在。受试者根据身体成熟度(峰前、峰中、峰后身高速度年龄[PHVA])分为三组。在身体组成、足部压力分布、足部对中、踝关节活动度和单腿平衡方面检测了ALM的患病率以及ALM与身体成熟度的关系。结果:ALM患病率为17.6%。在身体成熟度方面,与phva前组相比,phva后组踝关节背屈和外翻减少,单腿跳距离增加(P < 0.05)。ALM组phva后足跟抬高时压力中心向外侧分布(P < 0.01), phva中、后足跟负重背屈角减小(P < 0.05)。结论:青少年足球运动员在phva后,踝关节背屈和外翻减少,单腿跳跃距离增加。在phva后组中,ALM组在足跟抬高过程中表现出侧向负荷,在phva中期和后组中,负重踝关节背屈角度降低。提示LAS二级预防和超声检查的重要性。未来需要对年轻运动员的LAS进行前瞻性研究。
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CiteScore
4.80
自引率
0.00%
发文量
13
审稿时长
16 weeks
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