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
Which of the following muscle cause hip extension and knee flexion ? 
Select and explain. 
A. Semitendinosus, B. Gastrosoleus, C. Psoas major, D. Tensor Fascia lata
A: Semitendinosus
Answer: A: Semitendinosus 
Explanation: Ans. is'a' i.e.. SemitendinosusSemitendinosus is hamstring muscle.Causes flexion at knee & extension at hip.