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: Orthopaedics
False about slipped capital femoral epiphysis 
Select and explain. 
A. Limitation of abduction and internal rotation, B. Trethowan's sign, C. Limitation of Extension, D. Associated with Hypothyroidism
C: Limitation of Extension
Answer: C: Limitation of Extension 
Explanation: None