人类足部的骨骼,由韧带、肌肉联结在一起,形成一座前宽后窄的拱桥样的结构,称为足弓。宽的一头的两个支点,在拇趾和小趾的后方,窄的一头支点在足跟。“拱桥”本身具有一定的弹性。身体的重量传递到足弓后,即按一定比例分配到三个支撑点,同时发生轻微的变形,吸收震荡,保护脑、脊髓和胸、腹腔的器官。在高低不平的地方站立、行走,三点可 The bones of the human foot are ligated together by ligaments and muscles to form a narrow, arch-like structure with a wide front and a narrow arch called the arch of the foot. Two fulcrums wide at the back, behind the big toe and little toe, with a narrow fulcrum in the heel. “Arch Bridge” itself has a certain flexibility. After the weight of the body is transferred to the arch of the foot, it is distributed to the three support points according to a certain proportion. At the same time, slight deformation occurs to absorb the shock and protect the organs of the brain, spinal cord, chest and abdominal cavity. Stand in rugged place, walking, three o’clock