In pelvic ring fractures, ‘Open Book’ injuries (APC II) are characterized by the disruption of which ligaments?

In pelvic ring fractures, ‘Open Book’ injuries (APC II) are characterized by the disruption of which ligaments?

A Anterior sacroiliac and sacrospinous ligaments
B Posterior sacroiliac ligaments only
C Interosseous SI ligaments only
D Sacrotuberous ligaments only
OrthoMCQ
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