This post may contain affiliate links. Read our disclosure policy.
The psoas major and the iliacus both assist to help flex the femur (thigh) at the hip joint with insertion into the lesser trochanter of the femur. The psoas major and the iliacus are known as the iliopsoas muscle.
Get more content like this and the inside gist on all the fun things that happen at Healthsoothe straight to your inbox when you Subscribe to the Healthsoothe newsletter. Do it now!