All of the Following Cause Flexion at the Hip EXCEPT

Question

All of the following cause flexion at the hip EXCEPT ________.
A) iliacus
B) quadrates femoris
C) psoas major
D) adductor brevis

Accepted Answer

Quadratus femoris is a muscle primarily involved in the lateral rotation of the hip, not flexion. The iliacus and psoas major (forming the iliopsoas) and adductor brevis are involved in hip flexion.