Home » Bones » Pelvic » APC-I APC-I - Discussion: - anterior SI ligaments are stretched; - radiographs show slight (< 2 cm) widening of the pubic symphysis and often imperceptable widening of the SI joint; - results from low energy forces Surgeon Variability in the Treatment of Pelvic Ring Injuries Stress radiograph to detect true extent of symphyseal disruption in presumed anteroposterior compression type I pelvic injuries.
