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首页> 美国卫生研究院文献>International Journal of Environmental Research and Public Health >Alterations in Running Biomechanics after 12 Week Gait Retraining with Minimalist Shoes
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Alterations in Running Biomechanics after 12 Week Gait Retraining with Minimalist Shoes

机译：用极简主义的鞋子进行12周步态再训练后跑步生物力学的变化

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: The intervention of 12 week gait retraining with minimalist shoes was established to examine its effect on impact forces, joint mechanics, and vertical stiffness during running. : Thirty male recreational runners were randomly assigned to the gait retraining + minimalist shoe ( = 15, GR) and minimalist shoe ( = 15, MIN) groups. The ground reaction force and marker trajectories were collected before and after intervention at a speed of 3.33 ± 5% m/s. : A total of 17 participants (9 in the GR group and 8 in the MIN group) completed the training. After training, (1) the loading rate of both groups decreased significantly, and the loading rate of the GR group was lower than that of the MIN group. (2) The foot strike angle of the GR group decreased significantly after training, and the plantarflexion angle and hip joint angular extension velocity increased in both groups. (3) The moment of ankle joint increased in the GR group, and the stiffness of lower limbs was significantly improved in both groups. : The 12 week gait retraining with minimalist shoes converted rearfoot strikers into forefoot strikers with a rate of 78% (7/9). More importantly, such a combined program, compared to the training with only minimalist shoes, can avoid the peak impact force and decrease the loading rate more effectively, thus providing a potential means of reducing risk of running injury caused by impact forces. Moreover, the increased vertical stiffness of lower extremity after gait retraining may improve running economy and corresponding energy utilization. However, these observations also suggest that the sole use of minimalist footwear may have limited effects on reducing running-related impacts.
机译：：建立了使用极简主义鞋进行12周步态再训练的干预措施，以检查其对跑步过程中冲击力，关节力学和垂直刚度的影响。 ：将30名男性休闲跑步者随机分为步态再训练+简约鞋（= 15，GR）和简约鞋（= 15，MIN）组。在干预之前和之后以3.33±5％m / s的速度收集地面反作用力和标记轨迹。 ：总共17名参与者（GR组9名，MIN组8名）完成了培训。训练后，（1）两组的负荷率均明显降低，GR组的负荷率低于MIN组。 （2）训练后GR组的足部前角明显减小，两组的足底屈角和髋关节角伸展速度均增加。 （3）GR组踝关节力矩增加，两组下肢僵硬程度明显改善。 ：用极简主义的鞋子进行的12周步态训练将后脚前锋转变为前脚前锋，比率为78％（7/9）。更重要的是，与仅使用极简主义鞋进行训练相比，这样的组合程序可以避免峰值冲击力并更有效地降低负荷率，从而提供了一种减少由冲击力引起的跑步伤害风险的潜在手段。此外，步态再训练后下肢的垂直刚度增加可以改善跑步的经济性和相应的能量利用。但是，这些观察结果还表明，仅使用极简主义的鞋类在减少与跑步有关的影响方面可能效果有限。

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