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。