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首页> 外文期刊>Journal of Foot and Ankle Research >The effects of prolonged running on foot posture: a repeated measures study of half marathon runners using the foot posture index and navicular height
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The effects of prolonged running on foot posture: a repeated measures study of half marathon runners using the foot posture index and navicular height

机译：长时间跑步对脚部姿势的影响：使用脚部姿势指数和航海高度对半程马拉松运动员的重复测量研究

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Background Different foot postures are associated with alterations in foot function, kinetics and the subsequent occurrence of injury. Little is known about changes in foot posture following prolonged weightbearing exercise. This study aimed to identify changes in foot posture after running a half marathon. Methods Foot posture was measured using the Foot Posture Index (FPI-6) and navicular height in thirty volunteer participants before and after running a half marathon. FPI-6 scores were converted to Rasch logit values and means compared for these and navicular height using an ANOVA. Results There was a 5 mm drop in navicular height in both feet when measured after the half marathon (P < 0.05). The FPI-6 showed a side x time interaction with an increase in score indicating a more ‘pronated’ position in the left foot of + 2 [Rasch value + 1.7] but no change in the right foot (+ 0.4 [+ 0.76]) following the half marathon. Conclusion The apparent differences between the FPI-6 and navicular height on the right foot may be because the FPI-6 takes soft tissue contour changes into consideration whilst the navicular height focuses on skeletal changes. The changes in foot posture towards a more pronated position may have implications for foot function, and therefore risk of injury; shoe fit and comfort and also the effect of therapeutic orthoses worn during prolonged running.
机译：背景技术不同的脚姿势与脚功能，动力学和随后受伤的发生有关。关于长时间负重运动后脚姿的变化知之甚少。这项研究旨在确定半程马拉松后脚姿势的变化。方法在半程马拉松前后，使用脚姿势指数（FPI-6）和30名志愿者的身高测量脚的姿势。将FPI-6得分转换为Rasch logit值，并使用方差分析比较这些值和航海高度。结果在半程马拉松后，双脚的航海高度下降了5毫米（P <0.05）。 FPI-6显示侧面x时间交互作用，并且分数增加，表明左脚的“更pronated”位置为+ 2 [Rasch值+ 1.7]，但右脚没有变化（+ 0.4 [+ 0.76]）在半程马拉松之后。结论FPI-6与右脚掌高之间的明显差异可能是因为FPI-6考虑了软组织轮廓的变化，而鼻高则集中在骨骼的变化上。脚姿势向更前倾姿势的改变可能会影响脚的功能，因此有受伤的危险;鞋子的合脚性和舒适性，以及长时间跑步时穿着的矫形器的效果。

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