足外翻对健康儿童行走状态下足底负荷模式的影响

doi:10.19677/j.issn.1004-7964.2023.02.011

皮革科学与工程 ›› 2023, Vol. 33 ›› Issue (2): 69-74.doi: 10.19677/j.issn.1004-7964.2023.02.011

足外翻对健康儿童行走状态下足底负荷模式的影响

杨璐铭^1,2,3, 刘源², 郑德斌^1,3, 刘青云², 晏诗阳^{4, *}

1.四川大学制革清洁技术国家工程实验室,四川成都 610065;
2.四川大学轻工科学与工程学院,四川成都 610065;
3.四川大学皮革化学与工程教育部重点实验室,四川成都 610065;
4.四川大学高分子研究所,四川成都 610065

收稿日期:2022-07-12 出版日期:2023-04-01 上线日期:2023-03-21
通讯作者: *晏诗阳（1991-）,女,四川成都人,博士后。研究方向：儿童下肢运动健康、运动控制与仿真、智能服装材料。E-mail：yanshiyangscu@126.com。
作者简介:杨璐铭（1982-）,女,山东烟台人,教授。研究方向：人机工效学,运动生物力学,智能服装功能设计。E-mail：ylmll1982@126.com。
基金资助:
国家自然科学基金（11502154）

The Effect of Foot Pronation on Plantar Load Pattern of Healthy Children under Walking Condition

YANG Luming^1,2,3, LIU Yuan², ZHENG Debin^1,3, LIU Qingyun², YAN Shiyang^{4, *}

1. National Engineering Laboratory for Clean Technology of Leather Manufacture, Sichuan University, Chengdu 610065, China;
2. College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China;
3. Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University, Chengdu 610065;
4. Polymer Research Institute, Sichuan University, Chengdu 610065, China

Received:2022-07-12 Online:2023-04-01 Published:2023-03-21

摘要/Abstract

摘要： 通过探究足外翻对健康儿童动态足底负荷特征的影响,为日常穿着的外翻足矫正鞋设计提供科学的理论支持。利用Footscan ^R足底压力系统采集347名年龄在7~8岁的健康儿童裸足行走时的足底负荷,根据足外翻程度、足弓指数、身体质量指数,排除肥胖与扁平足儿童,筛选出60名（男童26名,女童34名）外翻足儿童以及60名身高、体重相似的正常足儿童,对其足底峰值压力、峰值压强、压力-时间积分、足底相对接触面积进行同性别的对比分析。结果表明：足外翻加重了儿童足底负荷的不均匀分布。对于男童,外翻足在趾骨、前掌内侧的峰值压力显著增加;前足、中足的峰值压强具有上升趋势;第1趾骨与足跟外侧的压强-时间积分显著增加,在男童日常穿着的外翻足矫正鞋设计中要着重减少趾骨、足内侧的负荷。对于女童,外翻足在趾骨、前掌内侧的峰值压力呈上升趋势,足跟的峰值压强显著降低,前掌、中足的压强-时间积分均显著增加,女童矫正鞋设计应着重减少前掌内侧区域压力。

关键词: 足外翻, 儿童, 足底压力分布

Abstract: This study aims to explore the effect of the pronated foot on the dynamic plantar load pattern of healthy children. This work can provide valid data for the insole/outsole design of daily-wearing shoes for pronation correction. The Footscan^R plantar pressure system was used to collect the plantar load of 347 typically developing children aged 7-8 during barefoot walking. According to the foot pronation assessment, arch index and BMI, children with obesity or flatfoot were excluded. Finally, 60 children (26 boys and 34 girls) with the pronated foot were identified as the experimental group. Additionally, 60 children whose height and weight matched the experimental group were indentified as the control group. The maximum force, peak pressure, and pressure-time integral of the same gender were conducted the statistical analyses. The results showed that foot pronation had different effects on boys and girls. It aggravated the uneven distribution of plantar load in children. Concerning boys, pronated foot displayed significantly greater maximum forces in the phalangeal and the medial forefoot areas. An upward trend of peak pressure was observed in the medial forefoot and the midfoot areas; the pronated foot displayed significantly greater pressure-time integral in the lateral heel and the first phalanx. Concerning girls, an upward trend of maximum force was observed in the phalanxes and medial forefoot. Pronated foot displayed significantly decreased peak pressure in the phalangeal. It displayed significantly greater pressure-time integral in the forefoot/midfoot.

Key words: foot pronation, children, plantar pressure disribution

中图分类号:

TS943.1

杨璐铭, 刘源, 郑德斌, 刘青云, 晏诗阳. 足外翻对健康儿童行走状态下足底负荷模式的影响[J]. 皮革科学与工程, 2023, 33(2): 69-74.

YANG Luming, LIU Yuan, ZHENG Debin, LIU Qingyun, YAN Shiyang. The Effect of Foot Pronation on Plantar Load Pattern of Healthy Children under Walking Condition[J]. Leather Science and Engineering, 2023, 33(2): 69-74.

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足外翻对健康儿童行走状态下足底负荷模式的影响

The Effect of Foot Pronation on Plantar Load Pattern of Healthy Children under Walking Condition

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