Fix SI Joint Dysfunction with Exercises: Ottawa Physiotherapist’s Expert Guide
The sacroiliac joint connects the sacrum (the triangular bone at the base of your spine) to the iliac bones of your pelvis, one on each side. These joints are not designed for large ranges of motion—they move only a few millimeters—but they play a vital role in absorbing and transferring load between your upper body and lower limbs during walking, standing, and everyday activities.