Coccygeal Region in Posterior View in the Body

Description

Posterior surface anatomy of the lower trunk is rendered with the coccygeal region centered in the midline, where the coccyx lies inferior to the sacrum at the sacrococcygeal joint and superior to the perineum and anal verge. Superficially, the intergluteal cleft flanks the sacral and coccygeal contour, with the gluteal folds forming the inferolateral boundaries as they sweep toward the ischioanal region. The posterior iliac crests and posterior superior iliac spines provide superior lateral landmarks, while the anus sits inferior and slightly anterior relative to the coccygeal tip. A small garment covers the anterior perineum but leaves the posterior landmarks legible. Coccygeal topography matters whenever pain localizes to the tailbone. Coccydynia commonly follows a fall onto the buttocks, childbirth-related coccygeal hypermobility, or degenerative change at the sacrococcygeal and intercoccygeal joints, and this posterior view helps you relate the patient’s point tenderness to midline bony anatomy rather than gluteal or sacroiliac sources. Midline skin pits and swelling in the natal cleft raise concern for pilonidal disease, where sinus tracts track superficial to the coccyx and can complicate incision and drainage if the midline is not respected. Palpation lines up here. Medical educators can place this rendering into gross anatomy teaching on the posterior trunk and perineum to anchor surface landmarks before dissection of the pelvic floor and ischioanal fossa, and clinicians can use it in patient-facing materials for coccyx fracture care, pilonidal sinus counseling, or postoperative wound location after cleft lift procedures. Publishers will also find it appropriate for chapters on perineal anatomy, proctology, and pain medicine documentation where accurate posterior landmarking and skin tone representation matter. Anatomical accuracy verified by SciePro's Medical Advisory Board.