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首页> 外文期刊>Journal of Biomechanics >Shoe midsole hardness, sex and age effects on lower extremity kinematics during running
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Shoe midsole hardness, sex and age effects on lower extremity kinematics during running

机译：鞋中底硬度，性别和年龄对跑步过程中下肢运动学的影响

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摘要

Previous studies investigating the effects of shoe midsole hardness on running kinematics have often used male subjects from within a narrow age range. It is unknown whether shoe midsole hardness has the same kinematic effect on male and female runners as well as runners from different age categories. As sex and age have an effect on running kinematics, it is important to understand if shoe midsole hardness affects the kinematics of these groups in a similar fashion. However, current literature on the effects of sex and age on running kinematics are also limited to a narrow age range distribution in their study population. Therefore, this study tested the influence of three different midsole hardness conditions, sex and age on the lower extremity kinematics during heel-toe running. A comprehensive analysis approach was used to analyze the lower-extremity kinematic gait variables for 93 runners (male and female) aged 16-75 years. Participants ran at 3.33±0.15. m/s on a 30. m-long runway with soft, medium and hard midsoles. A principal component analysis combined with a support vector machine showed that running kinematics based on shoe midsole hardness, sex, and age were separable and classifiable. Shoe midsole hardness demonstrated a subject-independent effect on the kinematics of running. Additionally, it was found that age differences affected the more dominant movement components of running compared to differences due to the sex of a runner.
机译：以前的调查鞋中底硬度对跑步运动学影响的研究经常使用年龄范围狭窄的男性受试者。尚不知道鞋中底硬度对男女跑步者以及不同年龄类别的跑步者是否具有相同的运动学影响。由于性别和年龄会影响跑步运动学，因此了解鞋底夹层硬度是否以类似的方式影响这些人群的运动学很重要。但是，有关性别和年龄对跑步运动学影响的最新文献也仅限于研究人群中年龄范围的狭窄分布。因此，本研究测试了三种不同的鞋底夹层硬度条件，性别和年龄对脚后跟跑步过程中下肢运动学的影响。使用一种综合分析方法来分析年龄在16-75岁之间的93名跑步者（男性和女性）的下肢运动步态变量。参加者的评分为3.33±0.15。在30. m长的跑道上以m / s速度行驶，其中有中底，软底和硬底。主成分分析与支持向量机相结合表明，基于鞋中底硬度，性别和年龄的跑步运动学是可分离的和可分类的。鞋中底硬度对跑步运动学具有独立的影响。此外，还发现，与跑步者的性别差异相比，年龄差异影响跑步的主要运动成分。

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