What is sacroiliac joint dysfunction?
Sacroiliac joint dysfunction, also known as sacroiliitis, is a condition where the sacroiliac (SI) joint, which connects the pelvis to the lower spine, becomes inflamed or irritated. This joint is critical in stabilizing the body and transferring the weight from the upper body to the lower limbs.
This condition can affect individuals of all ages, though it is more commonly seen in older adults and women, especially during pregnancy or after childbirth. Sacroiliac joint dysfunction can be challenging to diagnose because its symptoms often overlap with other causes of lower back pain, making it essential for healthcare professionals to conduct thorough evaluations.
Symptoms
When dealing with sacroiliac joint dysfunction, it's important to recognize the symptoms, which can vary in intensity and location. Common symptoms include:
- Pain in the lower back, buttocks, and hips
- Pain that radiates down one or both legs
- Increased pain after long periods of sitting, standing, or climbing stairs
- Stiffness in the lower back and hips
- Pain that worsens with weight-bearing activities
- Difficulty in performing daily activities due to pain
Causes
Sacroiliac joint dysfunction can arise from various factors, often related to lifestyle, physical activity, or underlying health conditions. Common causes include:
- Physical trauma, such as a car accident or a fall
- Arthritis, particularly osteoarthritis or ankylosing spondylitis
- Pregnancy, which may increase stress on the SI joints
- Obesity, which adds strain to the joints
- Repetitive stress from activities like running or lifting
- Urinary tract infections
- Inflammatory diseases such as Crohn’s disease
- Sedentary lifestyle, leading to muscle weakness and joint instability










