Sacrotuberous ligament is pierced by
Ans: A Perforating cutaneous nerveSacrotuberous ligament (STL) -Stabiliser of sacro-iliac joint.Connects bony pelvis to veebral column.Structure piercing STL - Perforating cutaneous nerve.Perforating cutaneous nerve:Cutaneous nerve that arises from the 52 and 53 nerve roots of the sacral plexus.Supplies lower medial pa of buttock.
Perforating cutaneous nerve
Posterior femoral cutaneous
Superior gluteal nerve
Sciatic nerve