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

 
  • 一條在劍突軟骨附近,一條在臍,還有一條在兩者之間。白線(xiàn)和這三條件腱劃將腹部分成“六格”。這正是健身人士追求的外形。
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