- What is it?
- It generally refers to pain in the sacroiliac joint region that is caused by abnormal motion in the sacroiliac joint, either too much motion or too little motion.
- Cause
- Hypermobility
- Sprain
- Anterior ligament of the SI joint
- Posterior ligament of the SI joint
- Strain
- Pregnancy : relaxin
- Sprain
- Hypomobility
- Degenerative joint disease
- SI joint inflammation
- Ankylosing spondylitis
- Rheumatoid arthritis
- Hypermobility
- Symptoms
- Pain is usually localized over the buttock
- Difficulty sitting in one place for too long due to pain
- Local tenderness of the posterior aspect of the sacroiliac joint (near the PSIS)
- Absence of neurological deficit/nerve root tension signs
- Patients will frequently complain of pain while sitting down, lying on the ipsilateral side of pain, or climbing stairs