Structure
The interosseous sacroiliac ligament is a group of thick fibers that connects the posterior sacral auricular surface to the iliac tuberosity. It lies deep to the posterior sacroiliac ligament.
Related parts of the anatomy
Function
The interosseous sacroiliac ligament is a strong ligament that resists anterior movement of the sacrum.
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Joint Ligament
Entheseal structures are widely located throughout the body and are represented by the interface between bone and several tissues including tendon, joint capsules and ligaments.
