Nerve to Levator Ani and Coccygeus Muscles, Posterior View

Description

Arising from the sacral plexus on the posterior pelvic wall, the nerve to levator ani and coccygeus is traced as a short, medial course toward the pelvic floor in an adult male. Posteriorly, the sacrum and coccyx frame the field, while the nerve runs deep to the gluteal region and toward the levator ani sling (pubococcygeus, puborectalis, iliococcygeus) and the coccygeus muscle adjacent to the ischial spine. Nearby sacral rami and larger neighboring pathways, including components that contribute to the pudendal and perineal nerves, provide orientation for the viewer. Small nerve, small target. Teaching the pelvic floor is often where learners lose spatial confidence, because autonomic plexuses, somatic branches, and the parietal fascia stack tightly against the sacrum. A posterior perspective clarifies how direct the motor supply is compared with the longer route of the pudendal nerve as it exits and re-enters the pelvis via the greater and lesser sciatic foramina, a distinction that matters when discussing pelvic floor dysfunction, postoperative denervation, and approaches to pelvic pain. Surgeons working near the ischial spine and sacrospinous ligament (for example during sacrospinous fixation) also benefit from a clear map of what sits medial to the pudendal bundle and what heads straight into levator ani and coccygeus. Use this artwork in gross anatomy and pelvic anatomy teaching blocks, pelvic floor rehabilitation materials, or operative anatomy figures accompanying urogynecology, colorectal, and pelvic oncology texts where precise nerve targets and relationships must be communicated without ambiguity. It also supports clinical slide decks on pudendal neuralgia versus primary pelvic floor motor impairment. Anatomical accuracy verified by SciePro's Medical Advisory Board.