RT Book, Section A1 Posner, Glenn D. A2 Posner, Glenn D. A2 Dy, Jessica A2 Black, Amanda A2 Jones, Griffith D. SR Print(0) ID 1106375590 T1 Obstetric Pelvis T2 Oxorn-Foote Human Labor & Birth, 6e YR 2015 FD 2015 PB McGraw-Hill Medical PP New York, NY SN 9780071740289 LK obgyn.mhmedical.com/content.aspx?aid=1106375590 RD 2024/03/28 AB The pelvis is made up of the two innominate bones (which occupy the front and sides) and the sacrum and coccyx (which are behind). The bones articulate through four joints. The sacroiliac joint is the most important, linking the sacrum to the iliac part of the innominate bones. The symphysis of the pubis joins the two pubic bones. The sacrococcygeal joint attaches the sacrum to the coccyx.