单侧负重对足底压力和稳定性的影响研究

doi:10.19677/j.issn.1004-7964.2024.03.012

皮革科学与工程 ›› 2024, Vol. 34 ›› Issue (3): 80-85.doi: 10.19677/j.issn.1004-7964.2024.03.012

单侧负重对足底压力和稳定性的影响研究

李波^1,2,*, 金钊^1,2, 宋宁^1,2, 李国英^1,2

1.四川大学轻工科学与工程学院,四川成都 610065;
2.四川大学皮革化学与工程教育部重点实验室,四川成都 610065

收稿日期:2023-05-19 修回日期:2023-12-26 接受日期:2023-12-27 出版日期:2024-06-01 上线日期:2024-04-25
通讯作者: *
作者简介:李波（1965-）,女,博士,副教授,主要从事足部生物力学研究。E-mail:lib@scu.edu.cn。

Influence of Unilateral Loading on Plantar Pressure and Stability

LI Bo^1,2,*, JIN Zhao^1,2, SONG Ning^1,2, LI Guoying^1,2

1. College of Biomass Science and Engineering, Sichuan University, Chengdu 610065, China;
2. Key Laboratory of Leather Chemistry and Engineering of Ministry of Education, Sichuan University, Chengdu 610065, China

Received:2023-05-19 Revised:2023-12-26 Accepted:2023-12-27 Published:2024-06-01 Online:2024-04-25

摘要/Abstract

摘要： 单手提重物在日常生活和工作中很常见,不对称负重不仅增大下肢载荷,而且使人-手提物重心偏离正中矢状面,可能导致足底水泡、应力性骨折和摔跤风险增大。用1 m的压力板测量了15名健康男性大学生分别手提7 kg和14 kg重的包行走时的垂直地面反作用力和足底压力中心,用1 m的测力台测量静止站立30 s时的地面反作用力,以此为依据分析单侧负重对人体稳定性、足部冲击和步态的影响。结果表明,在实验的两种负重时,足底压力绝对值增大,相对值不变,稳定性降低,步态改变。针对经常性单侧负重群体的功能鞋设计,需要增大鞋底缓冲性能以减小损伤,增加鞋类稳定性以减小摔跤风险。

关键词: 单侧负重, 稳定性, 地面反作用力, 足底压力中心

Abstract: Unilateral load carrying is often used in daily life and work, which not only increases the load of the feet, but also deviates the bag-plus-body center of mass from median sagittal plane and may cause decreasing the stability. Unilateral load carrying possibly induces a risk of the foot blisters, stress fractures and falls. Fifteen healthy young male undergraduates were asked to walk along an 8-m walkway, stand quietly and look straight ahead of the wall for 30 s. A Footscan 1 m pressure plate and 1 m force platform were used to measure the ground reaction forces and the center of pressure during standing and walking carrying a bag of 7 kg and 14 kg with the right hand respectively. The influence of unilateral loading on the stability, the impact of the foot and the gait were analyzed. Compared to the normal walking, the absolute value of the vertical ground reaction forces increased, its relative value remained unchanged, stability decreased and gait changed in the two loaded condition. It is necessary to increase the cushioning performance of the sole to reduce foot damage and increase the stability of the shoe to reduce the risk of a fall for the functional shoe design for regular unilateral load carrying groups.

Key words: unilateral load, stability, ground reaction forces, center of the pressure

中图分类号:

TS943.1

李波, 金钊, 宋宁, 李国英. 单侧负重对足底压力和稳定性的影响研究[J]. 皮革科学与工程, 2024, 34(3): 80-85.

LI Bo, JIN Zhao, SONG Ning, LI Guoying. Influence of Unilateral Loading on Plantar Pressure and Stability[J]. Leather Science and Engineering, 2024, 34(3): 80-85.

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单侧负重对足底压力和稳定性的影响研究

Influence of Unilateral Loading on Plantar Pressure and Stability

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