A method of fusing a sacroiliac joint including implanting a joint implant into the sacroiliac joint such that the joint implant passes through an inferior boundary segment, the joint implant having an implanted position in the sacroiliac joint such that a portion of a body of the joint implant is positioned within a caudal portion of the sacroiliac joint. The method may include accessing the sacroiliac joint via a presacral surgical pathway having an entry point near the coccyx while being protected by an inflatable bowel retractor.
