Which muscle originates from the anterolateral surface of the sacrum?
A) adductor brevis
B) obturator externus
C) quadratus femoris
D) piriformis

Question

Quizplus · Accepted Answer

The muscle that originates from the anterolateral surface of the sacrum is the piriformis muscle. The adductor brevis originates from the pubic body and inferior ramus, the obturator externus originates from the external surface of the obturator membrane and surrounding bone, and the quadratus femoris originates from the lateral border of the ischial tuberosity.

Which Muscle Originates from the Anterolateral Surface of the Sacrum