运动皮层对手臂运动进行计划，和执行。

Sthe motor cortex is involved in planning, and executing arm movement.

youdao

如果你转头并用手指着某物，你的手臂运动可能会早于头的转向。

If you turn your head and point, your arm movement might begin before your head finishes turning.

youdao

作用：每天的瘦手臂运动也必不可少。跟着做每天15分钟，快速瘦手臂。

Function: every day of thin arms indispensable. Exercise also Follow every 15 minutes, do quickly thin arms.

youdao

So every time you move your arm, that area of the brain with green line starts, become active in a particular way.

因此，每当你运动手臂的时候，大脑中绿线的部分开始工作，以特定的方式活跃起来。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

One, we can train them to perform these elaborate eye and arm movement tasks as you are seeing here I will describe.

第一，我们可以训练他们去完成眼睛和手臂运动等精细的动作,正如我要介绍的那样。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

What this does then is it paralyzes you because your motor neurons-- You send the command to your arm to stand, to lift up.

结果就是它能使你瘫痪,因为你的运动神经元,你想要举起手臂

耶鲁公开课 - 心理学导论课程节选