A 22-year-old victim of an automobile accident has received destructive damage to structures that form the boundary of the perineum


#1

A 22-year-old victim of an automobile accident has received destructive damage to structures that form the boundary of the perineum. Which of the following structures is spared?

(A) Pubic arcuate ligament

(B) Tip of the coccyx

© Ischial tuberosities

(D) Sacrospinous ligament

(E) Sacrotuberous ligament

Explanation:

. The answer is D. The sacrospinous ligament forms a boundary of the lesser sciatic

foramen. The pubic arcuate ligament, tip of the coccyx, ischial tuberosities, and sacrotuberous

ligament all form part of the boundary of the perineum.