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一、平衡机能除了水中的生物,地球上所有的动植物都生活在重力场之中,其姿势是适应于力学平衡的.除鸟类或若干例外,大多数动物都是用四肢支持其体重,身体的长轴与地面成平行位置,这是各种动物的固有姿势.人则是用下肢支持体重,就是说最基本的姿势是身体的长轴与地面成直角的直立位.如果出于某些原因姿势偏移破坏了力学平衡时,在所谓“平衡机能”的作用下,能够立即恢复各自的原有姿势.因为人体的重心高,支撑
First, the balance of function In addition to the creatures in the water, all animals and plants on Earth live in the gravitational field, and its posture is adapted to the mechanical balance.In addition to birds or a few exceptions, most animals are using limbs to support their weight, Body long axis parallel to the ground position, which is the inherent posture of a variety of animals, while people use the lower limbs to support weight, that is to say the most basic posture is the body’s long axis and the ground at right angles to the upright position. Some of the reasons postural deviation undermining the mechanical balance, the so-called “balance function ” role, can immediately restore their original position.Because the body’s high center of gravity, support