- Injury to the sacrum or tailbone from a fall, car accidents, etc
- Pelvic ligaments that have weakened due to overstretching during pregnancy and birth
- High Impact exercise, running on cement surfaces, high impact aerobics, etc
- Lifting & carrying heavy objects before or during menstruation and too soon after childbirth
- Time and gravity
- Past surgeries
- Weak pelvic floor muscles
- Chronic muscle spasm around the low back and sacrum
- Emotional armoring