The sacroiliac (SI) joint is formed by the articulation of the pelvis and the sacrum.  Dysfunction of this joint can result from how the pelvis impacts on the sacrum or how the sacrum impacts on the pelvis.  If the pelvis (ilium) is responsible for a fixated (immobile/stuck) SI joint, then it is called ‘iliosacral dysfunction’.  If the sacrum is responsible, it is called ‘sacroiliac dysfunction’. Continue reading →