<prompt> Sacrotuberous Ligament is pierced by:S1 NerveL5 NerveCoccygeal NerveNone  <response>: The Sacrotuberous Ligament is pierced by the Coccygeal Branches of the Inferior Gluteal Aery, the Perforating Cutaneous Nerve S2,3 and filaments of the Coccygeal Plexus formed by S4,S5 Coccygeal Nerve. 