Fast walking and jogging are two common exercises for people to maintain health in daily life. But the differences in loading patterns of fast walking and jogging are still unclear. The purpose of this study was to compare loading patterns in fast walking and jogging at the same speed, and to identify how differences in foot mechanics influence plantar pressure distribution between the two modes of gait. Totally, 49 healthy males participated in this study. Data of pressure parameters, including maximum force (MF), peak pressure (PP), contact area (CA), force-time integral (FTI), were recorded by Pedar-X insole plantar pressure measurement system in participants’ fast walking and jogging process at 7 km/h. A Load transfer analysis method was used to quantify the plantar load transference from fast walking to jogging. The results showed that MF, PP and CA increased in metatarsal regions and midfoot regions while decreased in toes regions and heel during jogging when compared with fast walking. FTI decreased in all foot regions during jogging compared to fast walking. Under the effects of spring mechanics and the varus of rearfoot during jogging, fast walking and jogging reveal different loading patterns. Compared jogging to fast walking, load transferred as follow: 1) in transverse direction, load transferred from lateral foot to medial foot in metatarsal regions and midfoot regions, 2) in longitudinal direction, load transferred from toes to the metatarsal, and from heel to the metatarsal and midfoot. These results also provide suggestions for footwear designs.

中文翻译：

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男性成年人以相同速度快步与慢跑时负重方式的差异

快速步行和慢跑是人们在日常生活中保持健康的两种常见运动。但是，尚不清楚快速行走和慢跑的装载方式的差异。这项研究的目的是比较以相同速度在快步和慢跑中的负重模式，并确定脚部力学差异如何影响两种步态之间的足底压力分布。共有49位健康男性参加了这项研究。Pedar-X鞋内底足底压力测量系统记录了参与者快速步行和慢跑时的压力参数数据，包括最大力（MF），峰值压力（PP），接触面积（CA），力-时间积分（FTI）。处理速度为7 km / h。负荷转移分析方法用于量化从快速步行到慢跑的足底负荷转移。结果表明，MF 与快走相比，慢跑过程中meta骨和足中部的PP和CA升高，而脚趾区和脚后跟的PP和CA降低。与快走相比，慢跑过程中所有脚部区域的FTI下降。在慢跑过程中弹簧力学和后脚内翻的影响下，快步走和慢跑揭示了不同的载荷模式。将慢跑与快步进行比较，负荷按以下方式传递：1）横向，,骨区域和中足区域从外侧脚传递到内侧脚； 2）纵向，荷载从脚趾传递到meta骨，再从脚跟传递meta骨和中足。这些结果也为鞋类设计提供了建议。