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首页> 外文期刊>Journal of fiber bioengineering and informatics >Effect of Improperly Sized Shoes on Gait
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Effect of Improperly Sized Shoes on Gait

机译：鞋码不合适对步态的影响

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Although shoes are conventionally chosen based on the size indicated on the label, it is also possible to accurately gauge foot size using a technique known as morphometry to measure the three-dimensional shape of feet in a state of rest. However, because shoe sizes differ slightly for each shoe manufacturer despite the use of a standardized labeling system, there is no guarantee that consumers will be able to choose a pair of shoes that properly fit the size of their feet. Furthermore, some consumers are in the habit of wearing larger shoes to accommodate the width of their feet. The purpose of this study was to develop a quantitative understanding of the relationship between shoe size (foot length) and gait by using techniques such as electromyogram of the lower leg, measurement of ground reaction force, and subjective evaluation. The subjects, five male university students with no history of leg injury, all had a foot length of 26.5 cm and a foot width of size D as defined by JIS standards. Prior to the experiment, the subjects' consent were obtained after briefing them on anticipated risks and safety considerations, management of their personal information, and other aspects of the study. Experimental samples consisted of a total of five D-width shoes in sizes ranging from 26.0 cm to 28.0 cm, in 0.5 cm increments. Each subject was fitted with an electromyogram measuring device on the gastrocnemius and tibialis anterior muscles on his right leg, and a plantar pressure distribution measuring sheet was placed in each of the sample shoes. Each subject took 10 strides while wearing each sample shoe along a predetermined route in the lab, under which a device for measuring floor reaction force had been installed. After each subject had walked in each shoe sample, they filled out a questionnaire on the sensations experienced while walking. When the shoe size (foot length) was at least 1 cm longer than the subject's proper size, a significant increase in activity by the gastrocnemius muscle was noted along with a significant decrease in the floor reaction force value (F2) at kick-off. These changes were attributed to the psychological effects of factors such as ease of kick-off. The findings suggest that the parameters used in this study, including muscular activity level, floor reaction force peak value, and gait reproducibility, have the potential to serve as useful indicators in evaluating the functional compatibility between shoe wearers and shoe size.
机译：尽管通常是根据标签上指示的尺寸来选择鞋子，但是也可以使用称为形态计量学的技术来精确测量脚的尺寸，以测量静止状态下脚的三维形状。但是，由于尽管使用了标准化的标签系统，每个鞋的制造商的鞋号也略有不同，所以不能保证消费者能够选择一双适合其脚号的鞋。此外，一些消费者习惯于穿大鞋适应脚的宽度。这项研究的目的是通过使用诸如小腿的肌电图，地面反作用力的测量和主观评估之类的技术，来对鞋子的尺寸（脚长）与步态之间的关系进行定量的了解。受试者为五名没有腿部受伤史的男大学生，他们的脚长均为26.5厘米，脚宽为JIS标准定义的D号。实验之前，在向受试者简要介绍了预期的风险和安全考虑，其个人信息的管理以及研究的其他方面之后，已获得受试者的同意。实验样品包括总共五只D宽鞋，尺寸从26.0厘米到28.0厘米不等，以0.5厘米为增量。每个受试者的右腿腓肠肌和胫骨前肌上均装有肌电图测量装置，并将足底压力分布测量片放置在每个样品鞋中。每个受试者在实验室中沿预定路线穿着每个样品鞋时迈出了10步，在该路线下安装了用于测量地面反作用力的设备。在每个受试者走完每个鞋子样本后，他们填写了一份关于走路时感觉的问卷。当鞋子的尺码（脚长）比受试者的适当尺码长至少1 cm时，腓肠肌的活动显着增加，而开球时的地板反作用力值（F2）显着降低。这些变化归因于诸如开球便利性等因素的心理影响。研究结果表明，这项研究中使用的参数，包括肌肉活动水平，地板反作用力峰值和步态再现性，有可能作为评估鞋履者和鞋码之间功能兼容性的有用指标。

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