Gynaecology & Obstetrics The muscle that is most often injured by a tear of the perineum is innervated by which of the following? A Inferior gluteal nerve B Pelvic splanchnic nerve C Posterior femoral cutaneous nerve D Pudendal nerve 💡 Explanation The muscle that is most often injured by a tear of the perineum is innervated by which of the following? ✓ Correct Answer: D. Pudendal nerve