Asked by Carrie Coppellotti on Jun 10, 2024
Verified
Which muscle originates from the anterolateral surface of the sacrum?
A) obturator externus
B) piriformis
C) adductor brevis
D) quadratus femoris
Anterolateral Surface
The front and side area of an anatomical structure or body part.
Obturator Externus
A muscle situated on the outer surface of the pelvic bone which acts to rotate the thigh laterally.
Piriformis
A muscle in the gluteal region of the lower limb, involved in the rotation of the thigh and known for its relation to the sciatic nerve.
- Identify the anatomical positions of primary muscles, including their points of origin and insertion.
Verified Answer
YG
Yisell GarciaJun 16, 2024
Final Answer :
B
Explanation :
The muscle that originates from the anterolateral surface of the sacrum is the piriformis muscle. The other muscles listed originate from different areas of the pelvis and femur.
Learning Objectives
- Identify the anatomical positions of primary muscles, including their points of origin and insertion.