The pudendal vessels and nerve pass behind the sacrospinous ligament directly medially and inferiorly to the ischial spine.
2.
It crosses over the lateral part of the sacrospinous ligament and reenters the pelvis through the lesser sciatic foramen.
3.
The sacrotuberous and sacrospinous ligaments ( also known as the extrinsic sacroiliac joint ligaments ) limit the amount the sacrum flexes.
4.
The coccygeal branch of the inferior gluteal artery passes behind the mid-portion of the sacrospinous ligament and pierces the sacrotuberous ligament at multiple locations.
5.
However, the studies and surgical methods cited above generally focused on the Alcock s canal and the area between the sacrotuberous and sacrospinous ligaments as likely sites for entrapment.
6.
In such a case, he would use an operation called sacrospinous fixation, the rebuilding of a weakened pelvic floor, by sewing the ligaments to the lowest part of the spine.
7.
The main body of the inferior gluteal artery leaves the pelvis posteriorly to the upper border of the sacrospinous ligament, to follow the inferior portion of the sciatic nerve out of the greater sciatic foramen.
8.
A 2015 study of 13 normal female cadavers found that the pudendal nerve was attached or fixed to the sacrospinous ligament in all cadavers studied, suggesting that the diagnosis of pudendal nerve entrapment may be overestimated.
9.
The inferior gluteal artery, from a branch of the internal iliac artery, pass behind the sciatic nerve and the sacrospinous ligament and is left uncovered in a small opening above the top of the sacrospinous ligament.
10.
The inferior gluteal artery, from a branch of the internal iliac artery, pass behind the sciatic nerve and the sacrospinous ligament and is left uncovered in a small opening above the top of the sacrospinous ligament.
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