Why are the psoas major and the iliacus sometimes called the iliopsoas?
A)They join at their superior ends and have the same origin.
B)They are both innervated by the femoral nerve.
C)They join at their inferior ends and have the same insertion.
D)They both extend the thigh.
E)All of these are true.

Question

Quizplus · Accepted Answer

The psoas major and the iliacus are referred to as the iliopsoas because they join at their inferior ends and share the same insertion point on the lesser trochanter of the femur, functioning together in hip flexion.

Why Are the Psoas Major and the Iliacus Sometimes Called