The sacroiliac joints reside between the sacrum (the tailbone segment of your spinal column) as well as outstanding wing-like iliac bones that type the pelvic girdle. There are 2 SI joints, a person to the remaining and just one on the proper (highlighted in crimson from the graphic previously mentioned), https://www.theorthopaedicandpainpractice.com/service/hip-groin-pain/