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手对人的重要性是不言而喻的.不幸失去手的人可以装配假手.以往,肘关节以下截肢者是用指伸肌和指曲肌的肌电来分别控制假手指的张开与闭合的,当这两个肌电信号都低于阈值或无肌电时,假手指静止.也可以将同一块肌肉的肌电用两个阈值分为三个不同的电平区域,分别控制假手指开、闭、停三个状态.但是,许多病人连上面两种单自由假手也无法控制,这是由于断肢会引起肌肉丧失、萎缩、错位和控
The importance of hands on people is self-evident. Unfortunately, people who lose their hands can be equipped with false hands. In the past, the elbow below the amputee is the use of the extensor and myoan muscle EMG to control the spread of false fingers Closed, when both EMG signals are below the threshold or no EMG, the fake finger still can also be the same muscle EMG with two thresholds is divided into three different levels, respectively, control the fake Finger open, closed, stop three states.However, many patients with the above two kinds of single free hand also can not control, this is because the amputated limb can cause muscle loss, atrophy, dislocation and control