Have you ever experienced pain in your lower back? If so, chances are it may be due to your sacroiliac joint, also known as the SI joint. The SI joint is in the lower back and it connects the bottom of your spine with your pelvis. It carries a lot of the pressure in your body because it supports your entire torso. This makes it susceptible to injury and pain because it's acting as a "shock absorber" for your body.

SI joint pain can be caused by many factors, such as age, traumatic injury, pregnancy, or other conditions that can cause the SI joint to become inflamed. This causes pain that can be a dull ache or very sharp and can spread from your lower back to your thighs. SI joint pain may even affect your everyday movement. If you experience pain in the lower back, check with your doctor to see if it may be something that is affecting your sacroiliac joint.