An opening between the pelvis
and the posterior thigh, the foramen
is formed by the sacrotuberous ligament
which runs between the sacrum
and the ischial tuberosity
and the sacrospinous ligament
which runs between the sacrum and the ischial spine
The lesser sciatic foramen has the following boundaries:
Alternatively, the foramen can be defined by the boundaries of the lesser sciatic notch and the two ligaments.
It transmits the following structures:
- - "The Female Perineum: Osteology"