Effects of a contoured foot orthosis and flat insole on plantar pressure and tibial acceleration while walking in defence boots
Effects of a contoured foot orthosis and flat insole on plantar pressure and tibial acceleration while walking in defence boots
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DOI：
10.1038/s41598-018-35830-5
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发表时间：
2019-02-08
影响因子：
4.6
通讯作者：
Menz, Hylton B.
中科院分区：
文献类型：
--
作者：
Bonanno, Daniel R.;Ledchumanasarma, Ketharasarma;Menz, Hylton B.
这项研究调查了穿着防护靴行走时轮廓预制足部矫形器和平鞋垫对足底压力和胫骨加速度的影响。 28 名成年人沿着 8 米长的走道行走，穿着：(i) 防御靴（控制条件），(ii) 带有平底鞋垫的防御靴，以及 (iii) 带有轮廓足部矫形器的防御靴。使用 pedar-X 鞋内系统收集足底压力数据，并使用加速度计测量胫骨加速度。就后足底压力而言，与防御靴相比，轮廓足矫形器降低了峰值压力和最大力量，并增加了接触面积。在中足内侧，轮廓足部矫形器和扁平鞋垫增加了峰值压力、最大力量和接触面积。在前足内侧下方，轮廓足部矫形器和扁平鞋垫增加了最大力量。在前足外侧，轮廓足部矫形器和扁平鞋垫增加了接触面积，扁平鞋垫也增加了最大力量。与胫骨加速度相关，与防御靴相比，轮廓足矫形器降低了胫骨峰值正加速度。这些发现为防护靴中轮廓足部矫形器的效果提供了新的生物力学证据。
This study investigated the effects of a contoured, prefabricated foot orthosis and a flat insole on plantar pressure and tibial acceleration while walking in defence boots. Twenty-eight adults walked along an 8-metre walkway in a: (i) defence boot (control condition), (ii) defence boot with a flat insole, and (iii) defence boot with a contoured foot orthosis. Plantar pressure data were collected using the pedar-X in-shoe system and tibial accelerations were measured with an accelerometer. In relation to plantar pressure under the rearfoot, the contoured foot orthosis, compared to the defence boot, decreased peak pressure and maximum force, and increased contact area. Under the medial midfoot, the contoured foot orthosis and flat insole increased peak pressure, maximum force and contact area. Under the medial forefoot, the contoured foot orthosis and flat insole increased maximum force. Under the lateral forefoot, the contoured foot orthosis and flat insole increased contact area, with the flat insole also increasing maximum force. In relation to tibial acceleration, the contoured foot orthosis, compared to the defence boot, decreased tibial peak positive acceleration. These findings provide novel biomechanical evidence for the effects of contoured foot orthoses in defence boots.