This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Thigh, Knee,Leg,Foot & Ankle injuries, Subject name: Anatomy
Mechanism of injury in lateral condylar fracture of proximal tibia is ? 
Select and explain. 
A. Strain of valgus knee, B. Strain of varus knee, C. Strain of valgus knee with axial loading, D. Rotational injury
C: Strain of valgus knee with axial loading
Answer: C: Strain of valgus knee with axial loading 
Explanation: A valgus force loads the lateral tibial plateau to failure from direct impact with the lateral femoral condyle. A combination of valgus and axial compression produces lateral side depression,split depression or less commonly lateral split or total lateral condyle fractures. ref : maheswari 9th ed