The lower two-thirds of it insert, in common with fibers of the external oblique and the underlying transversus abdominis, into the linea alba.

 
  • 一条在剑突软骨附近,一条在脐,还有一条在两者之间。白线和这三条件腱划将腹部分成“六格”。这正是健身人士追求的外形。
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