在有和没有足底筋膜的情况下，足弓高度变化对足部力学性能的影响。
Effect of varying arch height with and without the plantar fascia on the mechanical properties of the foot.
作者信息
Arangio G A, Chen C, Salathé E P
机构信息
Department of Orthopedic Surgery and Rehabilitation, Milton S. Hershey Medical Center, Pennsylvania State University, Allentown, USA.
出版信息
Foot Ankle Int. 1998 Oct;19(10):705-9. doi: 10.1177/107110079801901010.
A biomechanical model was used to calculate the mechanical properties of the foot at a load of 683 newtons, while changing arch height with and without the plantar fascia. An increase in arch height from 20 mm to 60 mm decreased predicted vertical displacement of the foot from 11.8 mm to 5.5 mm with the plantar fascia intact and from 13.5 mm to 7.5 mm without the plantar fascia. The amount of horizontal elongation decreased from 8.6 mm to 8.4 mm with the plantar fascia and increased from 9.8 mm to 11.7 mm without. A 60-mm arch height yielded a 40% increase in horizontal elongation and a 36% increase in vertical displacement when the plantar fascia was cut, whereas a 20-mm arch height yielded a 13% increase in horizontal elongation and a 14% increase in vertical displacement. A change in arch height from 20 mm to 60 mm increased stiffness of the foot with and without the plantar fascia.
使用生物力学模型来计算足部在683牛顿负荷下的力学性能，同时在有和没有足底筋膜的情况下改变足弓高度。当足底筋膜完整时，足弓高度从20毫米增加到60毫米，预测的足部垂直位移从11.8毫米减少到5.5毫米；没有足底筋膜时，从13.5毫米减少到7.5毫米。有足底筋膜时，水平伸长量从8.6毫米减少到8.4毫米，没有足底筋膜时从9.8毫米增加到11.7毫米。当切断足底筋膜时，60毫米的足弓高度使水平伸长增加40%，垂直位移增加36%，而20毫米的足弓高度使水平伸长增加13%，垂直位移增加14%。足弓高度从20毫米变化到60毫米，无论有无足底筋膜，都会增加足部的刚度。
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