This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lower Limb Traumatology, Subject name: Orthopaedics
In lower-third fractures of shaft of femur, the proximal fragment undergoes which displacement ? 
Select and explain. 
A. Adduction, B. Abduction, C. Flexion, D. Extension
B: Abduction
Answer: B: Abduction 
Explanation: FRACTURE FEMUR Proximal 1/3rd Proximal fragment flexes, abducts and externally rotates because of gluteus medius and iliopsoas. Distal fragment is adducted due to adductors such as adductor longus, minimus and magnus Middle 1/3rd Proximal fragment abducts Distal fragment is adducted Distal 1/3rd Proximal fragment adducts Distal fragment is hyperextended by gastrocnemius