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
The weakness of Vastus Medialis causes 
Select and explain. 
A. Patellar Clunk Syndrome, B. Medial dislocation of patella, C. Lateral dislocation of patella, D. Weakness in abduction at Hip joint
C: Lateral dislocation of patella
Answer: C: Lateral dislocation of patella 
Explanation: The fibers of Vastus medialis are attached medial to cafue half of patella. They prevent lateral displacement of patella.