Sacrotuberous ligament is pierced by: (A) Perforating cutaneous nerve, (B) Posterior femoral cutaneous, (C) Superior gluteal nerve, (D) Sciatic nerve
Answer is A. 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.