This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Spos Injury, Subject name: Orthopaedics
[{'content': 'Which of the following is a false statement regarding Patellofemoral stress syndrome? \nSelect and explain. \nA. Movie sign positive, B. Difficulty in climbing stairs, C. Positive Patellofemoral grinding test, D. Decreased Q angle', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Increased Q angle in Patellofemoral stress syndrome Patellofemoral stress syndrome/Chondromalacia patellae Anterior knee pain Increases on climibing stairs Increases after standing from prolonged sitting (Movie sign) Young females Vastus medialis obliques weakness. (Lateral structures stronger) Positive Patellofemoral grinding test when the condition is severe. Increased Q angle Genu valgus Rx.: Correct muscle imbalance Complication may develop patellofemoral ahritis.', 'role': 'assistant'}]