The iliopsoas inserts at which site?

• A. Lesser Trochanter of the Femur
• B. Greater Trochanter
• C. Tibial Tuberosity
• D. Iliac Crest

Answer: (A)

The iliopsoas inserts at the lesser trochanter of the femur. This tendon is formed by the fusion of the psoas major and iliacus muscles, which both pull on the proximal femur to bring the thigh upward. That placement makes the iliopsoas the primary hip flexor, enabling movements like lifting the leg when starting to walk. The greater trochanter is a attachment area for other hip muscles such as the gluteals, the tibial tuberosity is where the patellar ligament attaches, and the iliac crest is the origin site for some muscles like the iliacus. So the correct insertion site is the lesser trochanter.