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首页> 外文期刊>PLoS One >Effects of shoe weight on landing impact and side-to-side asymmetry
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Effects of shoe weight on landing impact and side-to-side asymmetry

机译：鞋重对着陆抗冲击和侧向不对称的影响

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摘要

Shoes of different weights affect proprioception. Drop jump (DJ) tasks are often used to explore the risks and mechanisms of lower limb injuries. Leg dominance mainly refers to differences between the dominant and nondominant legs. Eight males and eight females participated in this study. The weights of the shoes in this investigation were 255 g, 335 g, and 415 g, and the heights of the DJ were 30 cm, 40 cm, and 50 cm. The side-to-side asymmetry of the time of contact initiation for the 30DJ was greater than that of the 40DJ and 50DJ, and the asymmetry for shoes weighing 415 g and 355 g was greater than that for shoes weighing 255 g. When the drop height increased, the side-to-side asymmetry of the peak ground reaction force (PGRF). also increased. The ground contact time increased as the drop height increased to 50DJ. Higher drop heights caused greater side-to-side asymmetry of the PGRF. Heavier shoes caused the peak ground reaction force time (PGRFT) in the nondominant leg to appear earlier, reduced the jump height and affected the performance. Heavier shoes caused greater side-to-side asymmetry at the initial ground contact and at the ground contact time, affecting training effectiveness.
机译：不同重量的鞋子会影响原血症。 DROP跳转（DJ）任务通常用于探索下肢损伤的风险和机制。腿部支配主要是指主导和非常牙腿之间的差异。八个男性和八个女性参加了这项研究。本研究中鞋的重量为255g，335g和415g，DJ的高度为30厘米，40厘米和50cm。 30DJ的接触启动时间的侧向不对称大于40DJ和50DJ的时间，重量为415g和355克的鞋子的不对称性大于重255克的鞋子。当下降高度增加时，峰接口反作用力（PGRF）的侧向侧不对称性。也增加了。随着下降高度增加到50dj，地接触时间增加。较高的下降高度引起了PGRF的更大侧向不对称。较重的鞋子引起峰值接地反作用力时间（PGRFT）在Nondominant腿上出现早先，减少跳跃高度并影响性能。较重的鞋子在初始接地接触和地面接触时间内引起更大的侧面不对称，影响训练效果。

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