ARTICULATION OF THE PELVIS 



307 



The Anterior Sacroiliac Ligament (ligamentum sacroiliacum anterius) (Fig. 319). 

 The anterior sacroiliac ligament consists of numerous thin bands, which connect 

 the anterior surface of the lateral part of the sacrum to the margin of the auricular 

 surface of the ilium and to the preauricular sulcus. 



Anterior sacroiliac lig. 



Iliolumbar ligament Lumbosacral ligament 



/ Anterior longitudinal lig. 



Interpubic fbrocart. 



FIG. 319. Articulationg ol pelvis. Anterior view. (Quain.) 



The Posterior Sacroiliac Ligament (ligamentum sacroiliacum posterius) (Fig. 320). 

 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 



