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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

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