This Overlooked Pelvis Problem Might Be Causing Your Lower Back Pain
Deep in the back of your pelvis, you have a joint called the sacroiliac (SI) joint, which connects the bottom of your spine to your pelvis on each side. Problems with these joints are associated with up to 30% of lower back pain cases.1 The sacroiliac joint(s) can become a source of pain back and leg pain when there is either too much or too little movement in the joints. Inflammation of the sacroiliac joint