This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Lower limb, Subject name: Anatomy
[{'content': 'Which of the following movements will not be affected by involvement of the L5 Nerve root? \nSelect and explain. \nA. Thigh abduction, B. Knee Flexion, C. Knee Extension, D. Toe Extension', 'role': 'user'}, {'content': "Answer: C \nExplanation: Knee extension is carried out by L-2, 3 and 4 (Femoral nerve). Injury at the level of L- 5, doesn't affect knee extension. Knee flexion is carried out by the root value: L -5 and S-1 (Tibial nerve). Toe extension requires L-5 (deep peroneal nerve) Ref - BDC 6th e p140 lowerlimb", 'role': 'assistant'}]