Posterior sacroiliac ligament
- Posterior sacroiliac ligament
Infobox Ligament
Name = Posterior sacroiliac ligament
Latin = ligamentum sacroiliacum posterius
GraySubject = 80
GrayPage = 307
Caption = Articulations of pelvis. Posterior view. (Short post. sacroiliac ligament labeled at upper left; long post. sacroiliac ligament labeled at center right.)
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DorlandsPre = l_09
DorlandsSuf = 12493031
The posterior sacroiliac ligament is situated in a deep depression between the sacrum and ilium behind; it is strong and forms the chief bond of union between the bones.
It consists of numerous fasciculi, which pass between the bones in various directions.
* The "upper part" ("short posterior sacroiliac ligament") is nearly horizontal in direction, and pass from the first and second transverse tubercles on the back of the sacrum to the tuberosity of the ilium.
* The "lower part" ("long posterior sacroiliac ligament") is oblique in direction; it is attached by one extremity to the third transverse tubercle of the back of the sacrum, and by the other to the posterior superior spine of the ilium.
External links
* (NormanAnatomyFig|pelvisposteriorligaments)
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