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Interosseous sacro-iliac ligament
Other Terms:
Interosseous sacroiliac ligament,
Interosseous sacro-iliac ligament,
Ligamentum sacroiliacum interosseum,
Ligaments sacroiliaques interosseux
Parts
None
Group
Lower limb joints - Pelvic girdle
Description
This is a large, strong syndesmotic junction between the sacrum and ilium. It connects the two bones posterior and inferior to the sacroiliac joint between ill-fitting rough surfaces posterior to the cartilage covered auricular surfaces on both the sacrum and the ilium. It consists of deep and superficial bands that cross between the bones in a variety of orientations to strongly bind the adjacent surfaces.
Function
Probably the strongest sacroiliac junction. Stabilizes the sacroiliac joint and limits movement.
Latin
Ligamentum sacroiliacum interosseum
French
Ligaments sacroiliaques interosseux
