Divarication of the recti
(Diastasis recti) is the separation of the rectus abdominis muscle into right
and left halves (a gap of roughly 2.7 cm or greater), usually due to thinning
and stretching of the linea alba resulting from various reasons.
Typically, the two sides of the
muscle are joined at the linea alba at the body midline. Divarication of the
recti would appear as a long ridge extending down the abdominal midline from
the xiphoid process to the umbilicus. It will become
more prominent with straining and may disappear when the abdominal muscles
are relaxed.
It is reported to be more common
in multiparous women (about 66%) due to the repeated episodes of stretching
[1,2].The most common reported etiologic factors include chronic or
intermittent abdominal distension, advancing age, or familial weakness of the
abdominal musculofascial tissues.
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