转自:运动医学部落 我们用脚来干嘛呢?应该没有人会反对用脚来执行「走路」这个很重要的任务吧。路要走的好,一方面路要好走,如果路不好走,但是我们有一个灵活不失控的脚踝,还是可以走得好。 那什么叫做灵活不失控的脚踝呢?可以走在平整的地面上,基本上比较简单,但是如果走在高低不平甚至铺满碎石再加上下雨的山间小路,那灵活不失控的脚踝可以减少我们跌到阴沟里去的风险。 那么所以,对脚踝来说,当踏到一个平面上,要可以踏稳,也就是脚底要跟那个平面接触得好,也就是足弓需要塌得下去。接触的好,支撑底面积(BOS, base of support)才会大,支撑底面积大,脚底的感觉神经可以多接收一点讯号,感觉讯号多了,大脑就能判断用哪一些肌肉、用什么样的策略去动作。 然而我们往前跨步靠的,绝对不有肌肉。朋友,听过足底筋膜炎吗?基本上这个病名已经太popular以至于单讲足底筋膜好像有点怪怪的,但事实上,在足底筋膜发生问题之前,它就是一筋膜,平凡又不平凡。 足底筋膜的重要生物力学 足底筋膜在足部的生物力学上扮演了一个很重要的角色,它是紧密附着在皮肤上的纵向纤维,包含了内侧、中央和外侧三个部分。
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