posterior sacroiliac ligaments

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pos·te·ri·or sa·cro·il·i·ac lig·a·ments

the heavy fibrous bands that pass from the ilium to the sacrum posterior to the sacroiliac joint.
References in periodicals archive ?
Fitzgerald , MD (Loyola University Chicago) received the Scott Nadler PASSOR Musculoskeletal Research Grant and will be conducting a clinical trial to determine the effectiveness of ultrasound guided posterior sacroiliac ligament corticosteroid injection in pregnancy-related pelvic girdle pain.
Additional posterior support is provided by the anterior and posterior sacroiliac ligaments, along with the iliolumbar ligaments, which connect the transverse processes of the L5 vertebral body to the iliac crest.
the area forming the synovial joint) and the unique morphologic features created by the anterior and posterior sacroiliac ligaments, but chiefly by the stout interosseous ligaments, stabilize the joint by strictly limiting planar (gliding) movement [36,38].

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