Its origin is the second sheet of the lumbodorsal fascia and the pelvic girdle and its insertion is the linea alba.
12.
Where crenation is caused by parafunctional habits, there may also be associated bruxism, linea alba, or morsicatio buccarum.
13.
Morsicatio buccarum and linea alba are located at the level of the occlusal plane ( the level at which the teeth meet ).
14.
The name means " white line " and the linea alba is indeed white, being composed mostly of collagen connective tissue.
15.
If the rectus abdominis did not have tendinous intersections, there would be one large muscle group on each side of the linea alba.
16.
On the median line a groove along sternum is generally replaced by modelled shapes and only the linea alba is marked by only a groove.
17.
The "'Reflex inguinal ligament "'is a triangular fibrous band that arises from the lacunar ligament and the linea alba.
18.
It is the combination of the linea alba and the tendinous intersections which form the abdominal " six-pack " sought after by many people.
19.
In the mid-line a slight furrow extends from the xiphoid process above to the pubic symphysis below, representing the linea alba in the abdominal wall.
20.
All three points are situated on the midline ( centre of the linea alba ) of the lower abdomen ( i . e . below the navel ).
