Action #2: Identify your ASIS – you will find these before your hips at about the very same amount since the PSIS (they’re really bony, so you have to be able to find them quite simply). Your sacroiliac joints sit in between your still left and correct ilium (pelvic) bones https://www.theorthopaedicandpainpractice.com/lower-back-and-buttock-pain/