Which of the following structure doesn't pierce sacrotuberous ligament: (A) Inferior gluteal aery, (B) Perforating cutaneous nerve, (C) Posterior femoral cutaneous nerve, (D) Coccygeal plexus
Answer is C. Sacro - tuberous ligament. Structures piercing sacro-tuberous ligament are coccygeal branches of inferior gluteal aery perforating cutaneous nerve filaments of coccygeal plexus.