This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anatomy
Hyperextension of thigh is prevented by which of the following structures? 
Select and explain. 
A. Bigelow ligament, B. Cruciate Ligament, C. Both of the above, D. Ischio femoral ligament
A: Bigelow ligament
Answer: A: Bigelow ligament 
Explanation: Illiofemoral ligament or ligament of Bigelow ( Y-ligament) is the strongest ligament in the body. It extends from illium to the femur infront of the joint.