Sacrospinous ligament

Dr Henry Knipe et al.

The sacrospinous ligament is a stabiliser of the sacro-iliac joint and connects the bony pelvis to the vertebral column

Gross anatomy

The sacrospinous ligament is a triangular-shaped structure with its base attached to the anterior sacrum (S2-S4) and coccyx, and its apex attached to the ischial spine. It forms a boundary of the greater and lesser sciatic foramen

Abdominal and pelvic anatomy
Share article

Article information

rID: 29755
Section: Anatomy
Tag: pelvis
Synonyms or Alternate Spellings:

Support Radiopaedia and see fewer ads

Cases and figures

  • Drag
    Figure 1
    Drag here to reorder.
  • Updating… Please wait.
    Loadinganimation

    Alert accept

    Error Unable to process the form. Check for errors and try again.

    Alert accept Thank you for updating your details.