At the same level of MCN, digital flexion function part of MN was at the posterior side in main trunk about 1/3 - 1/4 of total fascicles in MN.

 
  • 正中神經(jīng)在肱肌肌支相應平面的主干內,屈指功能束位于后側部1/3-1/4束組內;
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