如果你能看到约半个足弓，那么你是最普遍的足型，旋前肌也正常。

If you see about half of your arch, you have the most common foot type and are considered a normal pronator.

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迎角、旋成体的外形，尤其是头部的几何形状是细长前体出现非对称涡的关键因素。

Angle of attack and nose shape of bodies are key factors that asymmetric vortex occurs over slender bodies.

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结论：旋前圆肌肌力减弱是C6神经根性颈椎病最常见的运动障碍，并且在有些C7神经根受压患者也会出现。

Conclusions. Forearm pronation weakness is the most frequent motor finding in C6 radiculopathies and may be noted in some cases of C7 nerve root compression.

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